Linnaeus, Carolus (1758). Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata.. Holmiae. (Laurentii Salvii). sid. 137
Bugoni, Leandro; Vooren, Carolus Maria (2004). ”Feeding ecology of the Common Tern Sterna hirundo in a wintering area in southern Brazil”. Ibis 146 (3): sid. 438–453. doi:10.1111/j.1474-919X.2004.00277.x.
