Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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