APA aipamena

Posavac, E. J., & Carey, R. G. (1980). Program Evaluation. Prentice-Hall of India.

Chicago Style aipamena

Posavac, Emil J., and Reymond G. Carey. Program Evaluation. New Jersey: Prentice-Hall of India, 1980.

MLA aipamena

Posavac, Emil J., and Reymond G. Carey. Program Evaluation. Prentice-Hall of India, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.