APA-viite (7. p.)

Thelen, H. A. (1967). Classroom grouping for teachability. Wiley.

Chicago-viite (17. p.)

Thelen, Herbert Arnold. Classroom Grouping for Teachability. New York: Wiley, 1967.

MLA-viite (9. p.)

Thelen, Herbert Arnold. Classroom Grouping for Teachability. Wiley, 1967.