Scholle, P. A., & Ulmer-Scholle, D. S. (2006). A color guide to the Petrography of Carbonate Rocks: Grains, textures, porosity, diagenesis (2a. ed.). The American Association of Petroleum Geologists.

Scholle, Peter A., and Dana S. Ulmer-Scholle. A Color Guide to the Petrography of Carbonate Rocks: Grains, Textures, Porosity, Diagenesis. 2a. ed. Tulsa: The American Association of Petroleum Geologists, 2006.

Scholle, Peter A., and Dana S. Ulmer-Scholle. A Color Guide to the Petrography of Carbonate Rocks: Grains, Textures, Porosity, Diagenesis. 2a. ed. The American Association of Petroleum Geologists, 2006.