Gaya APA

GAMBLE, J, E., THOMPSON, A, A. (2011). Essentials of strategic management : (2nd ed.). Boston: McGraw-Hill Irwin.

Gaya MLA

GAMBLE, John, E.., THOMPSON, Arthur, A.. "Essentials of strategic management :". 2nd ed. Boston: McGraw-Hill Irwin, 2011. Buku.