- [Wiki]
http://en.wikipedia.org/wiki/Sternoclyta_cyanopectus.
Accessed : 2017-03-20.
- [FierMart2007]
Fierro-Caledero, K. and Martin, T. E. (2007).
Reproductive biology of the violet-chested hummingbird in Venezuela
and comparisons with other tropical and temperate hummingbirds.
The Condor, 109:680--685.
- [Kooy2010]
Kooijman, S. (2010).
Dynamic Energy Budget theory for metabolic organisation.
Cambridge Univ. Press, Cambridge.
- [ADW]
of Michigan, U. (2001).
http://animaldiversity.org/accounts/Archilochus_alexandri/.
- [PrinPres1991]
Prinzinger, R., A.Preßmar, and Schleucher, E. (1991).
Body temperature in birds.
Comp. Biochem. Physiol., 99A(4):499--506. doi:10.1016/0300-9629(91)90122-S.
- [Will2002]
Williamson, S. (2002).
A Field Guide to Hummingbirds of North America.
Houghton Mifflin Company.