Moore, R. C., Fischer, A. G., & Lalicker, C. G. (1952). Invertebrate fossils. McGraw-Hill.
Dyfyniad Arddull ChicagoMoore, Raymond C., Alfred G. Fischer, and Cecil G. Lalicker. Invertebrate Fossils. New York: McGraw-Hill, 1952.
Dyfyniad MLAMoore, Raymond C., et al. Invertebrate Fossils. McGraw-Hill, 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.