Gaya APA

Hax, A, C., Majluf, N, S. (1991). The Strategy Concept & Process : A Pragmatic Approach . : Prentice Hall, Englewood Cliffs.

Gaya MLA

Hax, Arnold, C.., Majluf, Nicolas, S.. "The Strategy Concept & Process : A Pragmatic Approach". : Prentice Hall, Englewood Cliffs, 1991. Buku.