Dyfyniad APA

(1978). Encyclopedia Of Professional Management / Ed. Lester Robert Bittel, Muriel Albers Bittel. McGraw-Hill.

Dyfyniad Arddull Chicago

Encyclopedia Of Professional Management / Ed. Lester Robert Bittel, Muriel Albers Bittel. McGraw-Hill, 1978.

Dyfyniad MLA

Encyclopedia Of Professional Management / Ed. Lester Robert Bittel, Muriel Albers Bittel. McGraw-Hill, 1978.

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