AZAR, B. S. Fundamentals of english grammer. Binarupa Aksara.
Chicago Style (17th ed.) CitationAZAR, BETTY SCHRAMPFER. Fundamentals of English Grammer. Binarupa Aksara.
MLA引文AZAR, BETTY SCHRAMPFER. Fundamentals of English Grammer. Binarupa Aksara.
警告：这些引文格式不一定是100％准确.