Dyfyniad APA
De Nevers, G., Edelman, D. S., & Merenlender, A. (2013). The California naturalist handbook. University of California Press.
Dyfyniad Arddull Chicago
De Nevers, Greg, Deborah Stanger Edelman, and Adina Merenlender. The California Naturalist Handbook. Berkeley: University of California Press, 2013.
Dyfyniad MLA
De Nevers, Greg, et al. The California Naturalist Handbook. University of California Press, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.