APA-viite (7. p.)

Homme, L. E. (1970). How to use contingency contracting in the classroom (Rev. ed.). Research Press.

Chicago-viite (17. p.)

Homme, Lloyd E. How to Use Contingency Contracting in the Classroom. Rev. ed. Champaign, Ill.: Research Press, 1970.

MLA-viite (8. p.)

Homme, Lloyd E. How to Use Contingency Contracting in the Classroom. Rev. ed. Research Press, 1970.