APA (7th ed.) Zitazioa

Barnard, C. I. (1966). The functions of the executive. Harvard University.

Chicago Style (17th ed.) Zitazioa

Barnard, Chester I. The Functions of the Executive. Cambridge: Harvard University, 1966.

MLA (9th ed.) Zitazioa

Barnard, Chester I. The Functions of the Executive. Harvard University, 1966.