The IUCN Red List of Threatened Species 2022.2. 9. prosince 2022. Dostupné online. [cit. 2023-01-02].
iucnredlist.org
IUCN Red List of Threatened Species: Lepilemur septentrionalis [online]. International Union for Conservation of Nature and Natural Resources, rev. 2014 [cit. 2015-03-31]. Dostupné online. (anglicky)
umich.edu
animaldiversity.ummz.umich.edu
BENSON, Mike. Animal Diversity Web: Lepilemur septentrionalis [online]. University of Michigan Museum of Zoology, MI, USA, rev. 2006 [cit. 2015-03-31]. Dostupné online. (anglicky)
web.archive.org
Evolutionarily Distinct and Globally Endangered species: Lepilemur septentrionalis [online]. Zoological Society of London, London, GB [cit. 2015-03-31]. Dostupné v archivu pořízeném dne 2015-04-02. (anglicky)
ARKive: Northern sportive lemur [online]. ARKive, Wildscreen Trading Ltd., Bristol, UK [cit. 2015-03-31]. Dostupné v archivu pořízeném dne 2014-03-05. (anglicky)
