Gaya APA

AHMAD, F. (2011). Enriching and Building Vocabulary for Beginner Serie 4 (Cet. 4.). [s.l.]: Genesindo.

Gaya MLA

AHMAD, Furqon. "Enriching and Building Vocabulary for Beginner Serie 4". Cet. 4. [s.l.]: Genesindo, 2011. Text.