National Association of Peer Programs. Perspectives in peer programs. National Association of Peer Programs.
Chicago-viite (17. p.)National Association of Peer Programs. Perspectives in Peer Programs. Gladstone, MO: National Association of Peer Programs.
MLA-viite (9. p.)National Association of Peer Programs. Perspectives in Peer Programs. National Association of Peer Programs.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.