APA (7th ed.) Zitazioa

Gup, B. E. (1980). Guide to strategic planning. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Gup, Benton E. Guide to Strategic Planning. New York: McGraw-Hill, 1980.

MLA (9th ed.) Zitazioa

Gup, Benton E. Guide to Strategic Planning. McGraw-Hill, 1980.