Gaya APA
Assauri, S. (2013).
Strategic Management Sustainable Competitive Advantages (Edisi 2).
Jakarta:
PT Rajagrafindo Persada.
Gaya MLA
Assauri, Sofjan.
"Strategic Management Sustainable Competitive Advantages".
Edisi 2
Jakarta:
PT Rajagrafindo Persada,
2013.
Text.