Stallcup, R., & Evens, J. (2014). Field guide to birds of the northern California coast. University of California Press.
Chicago Style (17th ed.) ZitazioaStallcup, Rich, eta Jules Evens. Field Guide to Birds of the Northern California Coast. [Berkeley, California]: University of California Press, 2014.
MLA (9th ed.) ZitazioaStallcup, Rich, eta Jules Evens. Field Guide to Birds of the Northern California Coast. University of California Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.