Dyfyniad APA

Allen Louiz A. (1975). Professional management. McGraw Hill.

Dyfyniad Arddull Chicago

Allen Louiz A. Professional Management. New Delhi: McGraw Hill, 1975.

Dyfyniad MLA

Allen Louiz A. Professional Management. McGraw Hill, 1975.

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