Gup, B. E. (1980). Guide to strategic planning. McGraw-Hill.
Chicagoスタイル(17版)引用形式Gup, Benton E. Guide to Strategic Planning. New York: McGraw-Hill, 1980.
MLA(9版)引用形式Gup, Benton E. Guide to Strategic Planning. McGraw-Hill, 1980.
警告: この引用は必ずしも正確ではありません.