Dyfyniad APA

Alexander, L. G. (1990). Longman English Grammar Practice: For Intermediate Students. London: Longman.

Dyfyniad Arddull Chicago

Alexander, Louis George. Longman English Grammar Practice: For Intermediate Students. London: Longman, 1990.

Dyfyniad MLA

Alexander, Louis George. Longman English Grammar Practice: For Intermediate Students. London: Longman, 1990.

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