Dyfyniad APA

Whitfield, R. (2014). A Primer on Sustainability: In the Business Environment. Business Expert Press.

Dyfyniad Arddull Chicago

Whitfield, Ronald. A Primer On Sustainability: In the Business Environment. Business Expert Press, 2014.

Dyfyniad MLA

Whitfield, Ronald. A Primer On Sustainability: In the Business Environment. Business Expert Press, 2014.

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