Jabarkan Uga delengen dari Kebon Raja San Diego dalam bahasa jawa

Abrams, H., 1983. A World of Animals. (California: The Zoological Society of San Diego)

Ernst & Young LLP, 2005. "Zoological Society of San Diego Financial Statements 2004"

Greeley, M.,et al. 1997. The San Diego Zoo. (California: Craftsman Press)

Wegeforth, H.M. & Morgan, N. 1953. It Began with a Roar: the Beginning of the World-Famous San Diego Zoo'' (revised edition). (California: Crest Offset Printing Company)-->