APA aipamena

Bolles, R. (1969). Theory of motivation. Harper & Row.

Chicago Style aipamena

Bolles, R.C. Theory of Motivation. Harper & Row, 1969.

MLA aipamena

Bolles, R.C. Theory of Motivation. Harper & Row, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.