Fishpool, Lincoln; Tobias, Joseph (2005). "Family Pycnonotidae (Bulbuls)". Dalam del Hoyo, Josep; Elliott, Andrew; Christie, David. Handbook of the Birds of the World. Volume 10, Cuckoo-shrikes to Thrushes. Barcelona: Lynx Edicions. hlm. 247–248. ISBN84-87334-72-5.
Fishpool, Lincoln; Tobias, Joseph (2005). "Family Pycnonotidae (Bulbuls)". Dalam del Hoyo, Josep; Elliott, Andrew; Christie, David. Handbook of the Birds of the World. Volume 10, Cuckoo-shrikes to Thrushes. Barcelona: Lynx Edicions. hlm. 247–248. ISBN84-87334-72-5.
Fishpool, Lincoln; Tobias, Joseph (2005). "Family Pycnonotidae (Bulbuls)". Dalam del Hoyo, Josep; Elliott, Andrew; Christie, David. Handbook of the Birds of the World. Volume 10, Cuckoo-shrikes to Thrushes. Barcelona: Lynx Edicions. hlm. 247–248. ISBN84-87334-72-5.
Fishpool, Lincoln; Tobias, Joseph (2005). "Family Pycnonotidae (Bulbuls)". Dalam del Hoyo, Josep; Elliott, Andrew; Christie, David. Handbook of the Birds of the World. Volume 10, Cuckoo-shrikes to Thrushes. Barcelona: Lynx Edicions. hlm. 247–248. ISBN84-87334-72-5.