APA-viite (7. p.)
Barker, S. (1985). Good things come in small groups: The dynamics of good group life. InterVarsity Press.
Chicago-viite (17. p.)
Barker, Steve. Good Things Come in Small Groups: The Dynamics of Good Group Life. Downers Grove, Ill.: InterVarsity Press, 1985.
MLA-viite (9. p.)
Barker, Steve. Good Things Come in Small Groups: The Dynamics of Good Group Life. InterVarsity Press, 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.