Peterson's (Firm). (2006). Peterson's graduate programs in business, education, health, information studies, law & social work. Princeton, N.J.: Peterson's.
Παραπομπή Chicago StylePeterson's (Firm). Peterson's Graduate Programs in Business, Education, Health, Information Studies, Law & Social Work. Princeton, N.J.: Peterson's, 2006.
Παραπομπή MLAPeterson's (Firm). Peterson's Graduate Programs in Business, Education, Health, Information Studies, Law & Social Work. Princeton, N.J.: Peterson's, 2006.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.