Citazione Stile APA (7a Edizione)

Gibson, J. W. (1995). The Supervisory challenge: Principles and practices (2nd ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Gibson, Jane Whitney. The Supervisory Challenge: Principles and Practices. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1995.

Citatione MLA (9a ed.)

Gibson, Jane Whitney. The Supervisory Challenge: Principles and Practices. 2nd ed. Prentice-Hall, 1995.