Citazione Stile APA (7a Edizione)

Halsey, G. D. (1955). Selecting and developing first-line supervisors. Harper.

Citazione stile Chigago Style (17a edizione)

Halsey, George D. Selecting and Developing First-line Supervisors. New york: Harper, 1955.

Citatione MLA (9a ed.)

Halsey, George D. Selecting and Developing First-line Supervisors. Harper, 1955.