Dyfyniad APA

Nickels, W. G. (2010). Understanding Business (9th.). McGraw Hill.

Dyfyniad Arddull Chicago

Nickels, William G. Understanding Business. 9th. New Delhi: McGraw Hill, 2010.

Dyfyniad MLA

Nickels, William G. Understanding Business. 9th. McGraw Hill, 2010.

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