Smith, D. L. (1977). A guide to marine coastal plankton and marine invertebrate larvae. Dubuque, IO: Kendall Publishing Company.
Dyfyniad Arddull ChicagoSmith, DeBoyd L. A Guide to Marine Coastal Plankton and Marine Invertebrate Larvae. Dubuque, IO: Kendall Publishing Company, 1977.
Dyfyniad MLASmith, DeBoyd L. A Guide to Marine Coastal Plankton and Marine Invertebrate Larvae. Dubuque, IO: Kendall Publishing Company, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.