Reference

Steve J. Upton, M.A. Stamper, B.R. Whitaker (1995): Isospora bellicosa sp. n. (Apicomplexa) from a Peruvian Red-Breasted Meadowlark, Sturnella bellicosa (Passeriformes: Icteridae) – Archiv für Protistenkunde – 145_1995: 132 - 134.