APA (7th ed.) Zitazioa

Guth, W. D. (1985). Handbook of business strategy. Warren, gorham & lamont inc.

Chicago Style (17th ed.) Zitazioa

Guth, William D. Handbook of Business Strategy. Boston: Warren, gorham & lamont inc, 1985.

MLA (9th ed.) Zitazioa

Guth, William D. Handbook of Business Strategy. Warren, gorham & lamont inc, 1985.