Dyfyniad APA

Bittel, L. R. (1972). Nine master keys of management. McGraw Hill Book Co.

Dyfyniad Arddull Chicago

Bittel, Lester R. Nine Master Keys of Management. New York: McGraw Hill Book Co, 1972.

Dyfyniad MLA

Bittel, Lester R. Nine Master Keys of Management. McGraw Hill Book Co, 1972.

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