Gaya APA

dkk., D, A. (1995). Step on English Comprehension for Intermediate Level . Surabaya: Central for Language Studies IAIN Sunan Ampel.

Gaya MLA

dkk., Dimjati, Achmadin,. "Step on English Comprehension for Intermediate Level". Surabaya: Central for Language Studies IAIN Sunan Ampel, 1995. Text.