Dyfyniad APA

Brown, C. M. (1987). Introduction to biotechnology. English Langauge Book Society.

Dyfyniad Arddull Chicago

Brown, C. M. Introduction to Biotechnology. London: English Langauge Book Society, 1987.

Dyfyniad MLA

Brown, C. M. Introduction to Biotechnology. English Langauge Book Society, 1987.

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