APA aipamena

Sylvester, K. (2016). Negotiating in the Leadership Zone. ELSEVIER.

Chicago Style aipamena

Sylvester, Ken. Negotiating in the Leadership Zone. ELSEVIER, 2016.

MLA aipamena

Sylvester, Ken. Negotiating in the Leadership Zone. ELSEVIER, 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.