Gaya APA

Robinson, P, C. (1984). ESP (English for spesific Purlose) : The Present Pisition (- Cet.III). Oxford: Pergamon Press.

Gaya MLA

Robinson, Pauline, C.. "ESP (English for spesific Purlose) : The Present Pisition". - Cet.III Oxford: Pergamon Press, 1984. Text.