Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.