Japan, Genus: Bufo. American Museum of Natural History, Amphibian Species of the World 6.1, an Online Reference, abgerufen am 24. Juni 2021 (englisch).
amphibiaweb.org
Bufo japonicus. amhibiaweb.org, abgerufen am 5. Januar 2023 (englisch).
core.ac.uk
T. Kawamura, M. Nishioka, H. Ueda: Inter- and intraspecific hybrids among Japanese, European and American toads. In: Scientific report of the Laboratory for Amphibian Biology, Hiroshima University. Band 4, 1980, S. 111–112. PDF
doi.org
D. L. Wang, F. H. Qi, W. Tang, F. S. Wang: Chemical constituents and bioactivities of the skin of Bufo bufo gargarizans Cantor. In: Chemistry & Biodiversity. Band 8, Nummer 4, April 2011, S. 559–567, doi:10.1002/cbdv.201000283.
H. Okamiya, K. Takai, O. Kishida: The Japanese common toad, Bufo japonicus formosus, contains toxin in the egg stage. In: Current Herpetology, 2021, S. 103–106, doi:10.5358/hsj.40.103.
Takato Inoue, Ryu Nakata, Alan H. Savitzky, Naoko Yoshinaga, Akira Mori, Naoki Mori: Variation in bufadienolide composition of parotoid gland secretion from three taxa of Japanese toads. In: Journal of Chemical Ecology. Band 46, Nr. 10, September 2020, S. 997–1009 link.springer.com (PDF).
D. A. Hutchinson, A. H. Savitzky, A. Mori et al.: Chemical investigations of defensive steroid sequestration by the Asian snake Rhabdophis tigrinus. In: Chemoecology. Band 22, 2012, S. 199–206, (PDF).