Gaya APA

SJAH, D., ENONG, A. (1986). PEDOMAN PRAKTIS KORESPONDENSI - PRACTICAL GUIDE TO BUSINESS CORRESPONDENCE (CET.3). JAKARTA: CV. ESBE.

Gaya MLA

SJAH, DJALINUS., ENONG, AZIMAR. "PEDOMAN PRAKTIS KORESPONDENSI - PRACTICAL GUIDE TO BUSINESS CORRESPONDENCE". CET.3 JAKARTA: CV. ESBE, 1986. Text.