Cithakan:MSW3 Perissodactyla

Grubb, P. (2005). "Order Perissodactyla". Ing Wilson, D.E.; Reeder, D.M (èd.). Mammal Species of the World: A Taxonomic and Geographic Reference (édhisi ka-3). Johns Hopkins University Press. kc. 629–636. ISBN 978-0-8018-8221-0. OCLC 62265494.

Dhokumèntasi cithakan[gawé]