APA (7e ed.) Bronvermelding

Ayllon, T., & Azrin, N. H. (1968). The token economy: A motivational system for therapy and rehabilitation. Prentice Hall.

Chicago (17e ed.) Bronvermelding

Ayllon, Teodoro, en Nathan H. Azrin. The Token Economy: A Motivational System for Therapy and Rehabilitation. Englewood Cliffs, N. J: Prentice Hall, 1968.

MLA (9e ed.) Bronvermelding

Ayllon, Teodoro, en Nathan H. Azrin. The Token Economy: A Motivational System for Therapy and Rehabilitation. Prentice Hall, 1968.