APA aipamena

Downing, A. (1992). A university course in English grammar. New York: Prentice-Hall.

Chicago Style aipamena

Downing, Angela. A University Course in English Grammar. New York: Prentice-Hall, 1992.

MLA aipamena

Downing, Angela. A University Course in English Grammar. New York: Prentice-Hall, 1992.

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