Dyfyniad APA

Bradley, R. A., & Buchanan, S. (2013). Common spiders of North America. University of California Press.

Dyfyniad Arddull Chicago

Bradley, Richard Alan, and Steve Buchanan. Common Spiders of North America. Berkeley: University of California Press, 2013.

Dyfyniad MLA

Bradley, Richard Alan, and Steve Buchanan. Common Spiders of North America. University of California Press, 2013.

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