APA aipamena

Popham, W. J. (1973). Evaluating instruction. Prentice-Hall.

Chicago Style aipamena

Popham, W. James. Evaluating Instruction. Englewood Cliffs, N.J.: Prentice-Hall, 1973.

MLA aipamena

Popham, W. James. Evaluating Instruction. Prentice-Hall, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.