Ewen, John G.; Flux, Ian; Ericson, Per G. P. et al. (2006). ”Systematic affinities of two enigmatic New Zealand passerines of high conservation priority, the hihi or stitchbird Notiomystis cincta and the kokako Callaeas cinerea”. Molecular Phylogenetics and Evolution 40 (1): sid. 281–284. doi:10.1016/j.ympev.2006.01.026. PMID 16527495.
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ncbi.nlm.nih.gov
Ewen, John G.; Flux, Ian; Ericson, Per G. P. et al. (2006). ”Systematic affinities of two enigmatic New Zealand passerines of high conservation priority, the hihi or stitchbird Notiomystis cincta and the kokako Callaeas cinerea”. Molecular Phylogenetics and Evolution 40 (1): sid. 281–284. doi:10.1016/j.ympev.2006.01.026. PMID 16527495.
