Gaya APA

Nurcahyo, J. (1996). Leisure : English For Special purpose (ESP) Conversational Approoch (Cet. 1). Jakarta: Visipro.

Gaya MLA

Nurcahyo, Jasmin. "Leisure : English For Special purpose (ESP) Conversational Approoch". Cet. 1 Jakarta: Visipro, 1996. 400_Language.