Citazione Stile APA (7a Edizione)

Hawkins, R. G., & Walter, I. (1972). The United States and international markets: Commercial policy options in an age of controls. Lexington Books.

Citazione stile Chigago Style (17a edizione)

Hawkins, Robert G., e Ingo Walter. The United States and International Markets: Commercial Policy Options in an Age of Controls. Lexington, Mass.: Lexington Books, 1972.

Citatione MLA (8a ed.)

Hawkins, Robert G., e Ingo Walter. The United States and International Markets: Commercial Policy Options in an Age of Controls. Lexington Books, 1972.