Dyfyniad APA

Bowler, P. J. (1992). The Fontana history of the environmental sciences.

Dyfyniad Arddull Chicago

Bowler, Peter J. The Fontana History of the Environmental Sciences. London, Harper Collins, 1992.

Dyfyniad MLA

Bowler, Peter J. The Fontana History of the Environmental Sciences. 1992.

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