Dyfyniad APA

Bittel, L. R. (1978). Encyclopedia of professional management. McGraw-Hill.

Dyfyniad Arddull Chicago

Bittel, Lester Robert. Encyclopedia of Professional Management. New York: McGraw-Hill, 1978.

Dyfyniad MLA

Bittel, Lester Robert. Encyclopedia of Professional Management. McGraw-Hill, 1978.

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