AZAR, B. S. (2001). Basic english grammar vol. A.-- Ed.2. Prenhallindo.
芝加哥风格引文AZAR, Betty Schrampfer. Basic English Grammar Vol. A.-- Ed.2. Jakarta: Prenhallindo, 2001.
MLA引文AZAR, Betty Schrampfer. Basic English Grammar Vol. A.-- Ed.2. Prenhallindo, 2001.
警告：这些引文格式不一定是100％准确.