Gaya APA

Assauri, S. (2019). Strategi Management ,Sustainable Competitive Advantages (cet ke 2 cet 4). Depok: RajaGrafindo Persada.

Gaya MLA

Assauri, Sofjan. "Strategi Management ,Sustainable Competitive Advantages". cet ke 2 cet 4 Depok: RajaGrafindo Persada, 2019. Text.