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Marks, Ben D.; Weckstein, Jason D.; Moyle, Robert G. (2007). "Molecular phylogenetics of the bee-eaters (Aves: Meropidae) based on nuclear and mitochondrial DNA sequence data". Molecular Phylogenetics and Evolution. 45 (1): 23–32. Bibcode:2007MolPE..45...23M. doi:10.1016/j.ympev.2007.07.004. PMID17716922.
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Marks, Ben D.; Weckstein, Jason D.; Moyle, Robert G. (2007). "Molecular phylogenetics of the bee-eaters (Aves: Meropidae) based on nuclear and mitochondrial DNA sequence data". Molecular Phylogenetics and Evolution. 45 (1): 23–32. Bibcode:2007MolPE..45...23M. doi:10.1016/j.ympev.2007.07.004. PMID17716922.
