Robert S. Ridgely, John A. Gwynne: A Guide to the Birds of Panama: With Costa Rica, Nicaragua, and Honduras, s. 469. Princeton University Press, 1992. ISBN 978-0-691-02512-4Kirja Googlen teoshaussa Viitattu 29.4.2010. (englanniksi)
Timothy Brush: Olive SparrowThe Birds Of Norther America Online. Cornell Lab of Ornithology. Viitattu 29.4.2010. (englanniksi)
BirdLife International: Arremonops rufivirgatusIUCN Red List of Threatened Species. Version 2013.2. 2012. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 18.2.2014. (englanniksi)