(EN) Editorial Staff, Microsleep, in Max Planck Research, n. 4, Berlin, Science and Corporate Communication Office of the Max Planck Society for the Advancement of Science, 2023, p. 13, ISSN 1616-4172 (WC · ACNP).
(EN) F. Gill e D. Donsker (a cura di), Family Spheniscidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 6 maggio 2014.
worldcat.org
(EN) Editorial Staff, Microsleep, in Max Planck Research, n. 4, Berlin, Science and Corporate Communication Office of the Max Planck Society for the Advancement of Science, 2023, p. 13, ISSN 1616-4172 (WC · ACNP).