Hemmer, H. (1990), Domestication: The Decline of Environmental Appreciation, Cambridge University Press, pp.55–59, ISBN 0521341787
Groves, C. (2008). Current views on the taxonomy and zoogeography of the genus Sus. pp.15–29 in Albarella, U., Dobney, K, Ervynck, A. & Rowley-Conwy, P. Eds. (2008). Pigs and Humans: 10,000 Years of Interaction. Oxford University Press. ISBN 978-0-19-920704-6
Groves, C. P. et al. 1993. The Eurasian Suids Sus and Babyrousa. In Oliver, W. L. R., ed., Pigs, Peccaries, and Hippos - 1993 Status Survey and Conservation Action Plan, 107-108. IUCN/SSC Pigs and Peccaries Specialist Group, ISBN 2-8317-0141-4
Oliver, W. L. R. et al. 1993. The Eurasian Wild Pig (Sus scrofa). In Oliver, W. L. R., ed., Pigs, Peccaries, and Hippos - 1993 Status Survey and Conservation Action Plan, 112-121. IUCN/SSC Pigs and Peccaries Specialist Group, ISBN 2-8317-0141-4