Dyfyniad APA

Van Nostrand Reinhold Company & Gellert, W. (1977). The VNR concise encyclopedia of mathematics (1st American ed.). Van Nostrand Reinhold Co..

Dyfyniad Arddull Chicago

Van Nostrand Reinhold Company and Walter Gellert. The VNR Concise Encyclopedia of Mathematics. 1st American ed. New York: Van Nostrand Reinhold Co., 1977.

Dyfyniad MLA

Van Nostrand Reinhold Company and Walter Gellert. The VNR Concise Encyclopedia of Mathematics. 1st American ed. Van Nostrand Reinhold Co., 1977.

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