Dyfyniad APA

Patterson, J. (2007). Step on a crack. Grand Central Publishing.

Dyfyniad Arddull Chicago

Patterson, James. Step on a Crack. New York: Grand Central Publishing, 2007.

Dyfyniad MLA

Patterson, James. Step on a Crack. Grand Central Publishing, 2007.

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