Siegel, M. (1968). The counseling of college students: Function, practice. Free Press.
Chicago-viite (17. p.)Siegel, Max. The Counseling of College Students: Function, Practice. N.Y.: Free Press, 1968.
MLA-viite (8. p.)Siegel, Max. The Counseling of College Students: Function, Practice. Free Press, 1968.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.