Gaya APA

Faulkner, D. (1997). The Essence of Competitive Strategy : Strategi Kompetitif (1). Yogyakarta: Andi Offset.

Gaya MLA

Faulkner, David. "The Essence of Competitive Strategy : Strategi Kompetitif". 1 Yogyakarta: Andi Offset, 1997. Text.