Gaya APA

S.Hum, I, F, S. (2017). Conversation and Correspondance in business English (Ed. 1). Jakarta: CV.Pustaka Tarbiyah Baru.

Gaya MLA

S.Hum, Ir., Fahmi, Sofyan,. "Conversation and Correspondance in business English". Ed. 1 Jakarta: CV.Pustaka Tarbiyah Baru, 2017. Text.