Dyer. (1997). Titik-titik kelemahan anda: Your erroneous zones. Delapratasa.
Chicago Style (17th ed.) CitationDyer. Titik-titik Kelemahan Anda: Your Erroneous Zones. Jakarta: Delapratasa, 1997.
MLA (8th ed.) CitationDyer. Titik-titik Kelemahan Anda: Your Erroneous Zones. Delapratasa, 1997.
Warning: These citations may not always be 100% accurate.