Dyfyniad APA

SPENGLER, E. H. (1955). Introduction to Business. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

SPENGLER, Edwin H. Introduction to Business. McGraw-Hill Book Company, 1955.

Dyfyniad MLA

SPENGLER, Edwin H. Introduction to Business. McGraw-Hill Book Company, 1955.

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