Gaya APA

Cysso, D, R. (1995). Panduan Praktis English Grammar and Conversation for Secretary (Edisi 2). Jakarta: Bina Citra.

Gaya MLA

Cysso, Dhanny, R.. "Panduan Praktis English Grammar and Conversation for Secretary". Edisi 2 Jakarta: Bina Citra, 1995. Text.