(1995). Easy English Grammar / Ridwan,Edy. Cahaya Grafika.
Chicago Style (17th ed.) CitationEasy English Grammar / Ridwan,Edy. Cahaya Grafika, 1995.
MLA (8th ed.) CitationEasy English Grammar / Ridwan,Edy. Cahaya Grafika, 1995.
Warning: These citations may not always be 100% accurate.