Gaya APA

CAHYONO,S.PD, U, K, W, &. (2009). EASY ENGLISH FOR BEGINNERS (KETIGA). SURAKARTA: PT. ERA INTERMEDIA.

Gaya MLA

CAHYONO,S.PD, UPIK, KUSUMA, WARDANI,S.PD, &. "EASY ENGLISH FOR BEGINNERS". KETIGA SURAKARTA: PT. ERA INTERMEDIA, 2009. Text.