Bishop, A. C., Hamilton, W. R., & Woolley, A. R. (2005). Firefly guide to minerals, rocks & fossils. Firefly Books.

Bishop, A. C., William Roger Hamilton, and Alan Robert Woolley. Firefly Guide to Minerals, Rocks & Fossils. Buffalo, N.Y. ; Richmond Hill, Ont.: Firefly Books, 2005.

Bishop, A. C., et al. Firefly Guide to Minerals, Rocks & Fossils. Firefly Books, 2005.