Dyfyniad APA

TACK ALFRED. (1990). HOW TO SUCCEED AS A SALES MANAGER. CEDAR MANDRAIN.

Dyfyniad Arddull Chicago

TACK ALFRED. HOW TO SUCCEED AS A SALES MANAGER. LONDON: CEDAR MANDRAIN, 1990.

Dyfyniad MLA

TACK ALFRED. HOW TO SUCCEED AS A SALES MANAGER. CEDAR MANDRAIN, 1990.

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