Pubblicazioni (4):
- Bussing, William & M. Martin. 1975. "Systematic status, variation and distribution of four Middle American cichlid fishes belonging to the Amphilophus species group, genus Cichlasoma". Natural History Museum L.A. County Contributions of Science. 269; 1-41 (ffm01108)
- Bussing, William. 1987. "Peces de las aguas continentales de Costa Rica". Universidad de Costa Rica, San José, Costa Rica. 1-264. ISBN: 9977-67-074-9 (ffm04838)
- Bussing, William & M.I. López S. 1994. "Demersal and pelagic inshore fishes of the Pacific coast of lower central America. An illustrated guide". Revista de Biologia Tropical. 1-164 (ffm00464)
- Bussing, William. 1998. "Peces de las aguas continentales de Costa Rica". Peces de las aguas continentales de Costa Rica. 1-271 (ffm01046)