APA aipamena

Beatty, R. W. (1987). The productivity sourcebook. Human Resource Development Press.

Chicago Style aipamena

Beatty, Richard W. The Productivity Sourcebook. Amherst, Mass: Human Resource Development Press, 1987.

MLA aipamena

Beatty, Richard W. The Productivity Sourcebook. Human Resource Development Press, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.