Dyfyniad APA

Despommier, D. D. (2001). West Nile story. Apple Trees Productions.

Dyfyniad Arddull Chicago

Despommier, Dickson D. West Nile Story. New York, NY: Apple Trees Productions, 2001.

Dyfyniad MLA

Despommier, Dickson D. West Nile Story. Apple Trees Productions, 2001.

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