APA aipamena

Johnston, J. M., & Shook, G. L. (1987). Developing behavior analysis at the state level.

Chicago Style aipamena

Johnston, J. M., and Gerald L. Shook. Developing Behavior Analysis At the State Level. 1987.

MLA aipamena

Johnston, J. M., and Gerald L. Shook. Developing Behavior Analysis At the State Level. 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.