Collar, N. & Bonan, A. (2017). Japanese Thrush (Turdus cardis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/58260 on 8 March 2017).