Dyfyniad APA

WEBSTER, C. (1966). Agriculture in the tropics. The English Language Book Society and Longman.

Dyfyniad Arddull Chicago

WEBSTER, C.C. Agriculture in the Tropics. London: The English Language Book Society and Longman, 1966.

Dyfyniad MLA

WEBSTER, C.C. Agriculture in the Tropics. The English Language Book Society and Longman, 1966.

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