Dyfyniad APA

Gellert, W. (1975). VNR concise encyclopedia of mathematics. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Gellert, W. VNR Concise Encyclopedia of Mathematics. New York: Van Nostrand Reinhold Company, 1975.

Dyfyniad MLA

Gellert, W. VNR Concise Encyclopedia of Mathematics. Van Nostrand Reinhold Company, 1975.

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