Gaya APA

Ong, M, F. et al (1995). A Communicative Langguage Course for Intermediate Crosscurrents Student Book 2 (1st Edition). England: Longman Group Ltd..

Gaya MLA

Ong, Marcie, Fisk. et al. "A Communicative Langguage Course for Intermediate Crosscurrents Student Book 2". 1st Edition England: Longman Group Ltd., 1995. Text.