Azar, B. S. (1993). Chartbook: A reference grammar (2nd ed.). Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)Azar, Betty Schampfer. Chartbook: A Reference Grammar. 2nd ed. New Jersey: Prentice Hall, 1993.
Tohutoro MLA (9th ed.)Azar, Betty Schampfer. Chartbook: A Reference Grammar. 2nd ed. Prentice Hall, 1993.
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