Mascull, B. (2006). Market leader. Harlow: Pearson Education.
Dyfyniad Arddull ChicagoMascull, Bill. Market Leader. Harlow: Pearson Education, 2006.
Dyfyniad MLAMascull, Bill. Market Leader. Harlow: Pearson Education, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.