[How to employ recruitment process outsourcing for your company. Retrieved 20. 1. 2011 from http://recruitmentoutsourcingprocess.com/what-is-recruitment-processing ]Search in Google Scholar
[My v médiách. Starať sa o ľudí môžu pomôcť aj iní. Retrieved 13. 1. 2011 from http://www.jeneweingroup.com/archive_weinmedia_sk.php?action=tlac&clano ]Search in Google Scholar
[BRAID, M.: Outsourcing cuts costs of hiring. In Sunday Times, 2007, p. 10. Proquest document ID: 1247904821.]Search in Google Scholar
[CARUTH, D. L. - CARUTH G. D.: Outsourcing human resource activities: a proposed model. In SuperVision, vol. 71, 2010, no. 7, p. 3-8. Proquest document ID: 2067160101.]Search in Google Scholar
[DUGGAN, B. - CROY, G.: Should you outsource recruitment? In The Supply Management, vol. 9, 2004, no. 20, p. 26-27. Proquest document ID: 736145931.]Search in Google Scholar
[CHALUPOVÁ, A.: Starať sa o ľudí môžu pomôcť aj iní. In Hospodárske noviny, príloha Kariéra, vol. XIV, 2006, no. 109.]Search in Google Scholar
[LAABS, J. J.: Why HR is turning to outsourcing. In Personnel Journal, vol. 72, 1993, no. 9, p. 92.]Search in Google Scholar
[MARQUEZ J.: Just what does RPO mean? In Workforce Management, vol. 86, 2007, no. 14, p. 6. Proquest document ID: 1329582271.]Search in Google Scholar
[OVERMAN, S.: Finding Flexibility with RPO. In Staffing Management, vol. 5, 2009, no. 3, p. 19-21. Proquest document ID: 1978801961. ]Search in Google Scholar