APA aipamena

Elbeik, S. (1998). Project skills. Oxford: Butterworth-Heinemann.

Chicago Style aipamena

Elbeik, Sam. Project Skills. Oxford: Butterworth-Heinemann, 1998.

MLA aipamena

Elbeik, Sam. Project Skills. Oxford: Butterworth-Heinemann, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.