MAS'UD, F. (1992). Essentials of English grammar: A practical guide.--Ed.2. BPFE.
芝加哥风格引文MAS'UD, Fuad. Essentials of English Grammar: A Practical Guide.--Ed.2. Yogyakarta: BPFE, 1992.
MLA引文MAS'UD, Fuad. Essentials of English Grammar: A Practical Guide.--Ed.2. BPFE, 1992.
警告：这些引文格式不一定是100％准确.