Template:Fjeldsa et al., 2003
- Fjeldså, J., Zuccon, D., Irestedt, M., Johansson, U. S., & Ericson, P. G. P. (2003). Sapayoa aenigma: a New World representative of 'Old World suboscines'. Royal Society Biology Letters. 270: 238. Abstract
- Date of publication: 2003