Literature references

2 literature references for Apus melba (Linnaeus, 1758):

Author:
Year: 1998
Title:
Source: website, Zoonomen - Zoological Nomenclature Resource
Author: American Ornithologists' Union
Year: 1993
Title: Thirty-ninth supplement to the American Ornithologists' Union Check-list of North American Birds
Source: The Auk, vol. 110, no. 3