Gaya APA

BUDIMAN, A, H, &, E, P. (2009). THE SUPERFAST WAY TO IMPROVE YOUR SPEAKING SKILL (CET. 1). JAKARTA: GRASINDO.

Gaya MLA

BUDIMAN, A., HARRIS, &, EKO, PUTRA. "THE SUPERFAST WAY TO IMPROVE YOUR SPEAKING SKILL". CET. 1 JAKARTA: GRASINDO, 2009. Text.