Gaya APA

Sofjan, A. (2016). Strategic Management: Sustainable Competitive Advantages Edisi 2 (Edisi 2 Cetakan 2). Jakarta: PT Raja Grafindo Persada.

Gaya MLA

Sofjan, Assauri. "Strategic Management: Sustainable Competitive Advantages Edisi 2". Edisi 2 Cetakan 2 Jakarta: PT Raja Grafindo Persada, 2016. Text.