Gaya APA

SEEC, S, E, E, C. (2012). PREPARELATION TOEFL TOEIC . Yogyakarta: Duta Sembilan Victorindo.

Gaya MLA

SEEC, Stan, Enterpreneurship, Education, Center. "PREPARELATION TOEFL TOEIC". Yogyakarta: Duta Sembilan Victorindo, 2012. Text.