Straub, R. O. (2008). Telecourse student guide to accompany transitions throughour the life span (Third edition.). Coast Learning Systems.
Chicago-viite (17. p.)Straub, Richar O. Telecourse Student Guide to Accompany Transitions Throughour the Life Span. Third edition. [Fountain Valle, California]: Coast Learning Systems, 2008.
MLA-viite (9. p.)Straub, Richar O. Telecourse Student Guide to Accompany Transitions Throughour the Life Span. Third edition. Coast Learning Systems, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.