Citazione Stile APA (7a Edizione)

Wilson, A. (1972). The marketing of professional services. Mcgraw hill.

Citazione stile Chigago Style (17a edizione)

Wilson, Aubrey. The Marketing of Professional Services. London: Mcgraw hill, 1972.

Citatione MLA (9a ed.)

Wilson, Aubrey. The Marketing of Professional Services. Mcgraw hill, 1972.