Apterodita, [w:] The Key to Scientific Names, J.A.J.A.Jobling (red.), [w:] Birds of the World, S.M. Billerman et al. (red.), Cornell Lab of Ornithology, Ithaca [dostęp 2021-12-21](ang.).
Pinguinaria, [w:] The Key to Scientific Names, J.A.J.A.Jobling (red.), [w:] Birds of the World, S.M. Billerman et al. (red.), Cornell Lab of Ornithology, Ithaca [dostęp 2021-12-21](ang.).
Eriornis, [w:] The Key to Scientific Names, J.A.J.A.Jobling (red.), [w:] Birds of the World, S.M. Billerman et al. (red.), Cornell Lab of Ornithology, Ithaca [dostęp 2021-12-21](ang.).
csic.es
bibdigital.rjb.csic.es
G.A. Scopoli: Deliciae florae et faunae Insubricae. Cz. 2. Ticini: Ex Typographia Reg. & Imp. Monasterii S. Salvatoris. Praesidib. Rei litter. permittentibus 1787, 1786, s. 91. (łac.).
itis.gov
Aptenodytes, [w:] Integrated Taxonomic Information System(ang.).
