Raffaele, Herbert A.; Wiley, James; Garrido, Orlando H.; Keith, Allan; Raffaele, Janis I. (23 April 2010). Birds of the West Indies. Princeton University Press. pp. 196–. ISBN978-1-4008-3618-5.
Furutani, A.; Mori, C.; Okanoya, K. (December 2018). "Trill-calls in Java sparrows: Repetition rate determines the category of acoustically similar calls in different behavioral contexts". Behavioural Processes. 157: 68–72. doi:10.1016/j.beproc.2018.08.010. eISSN1872-8308. PMID30157464.
Furutani, A.; Mori, C.; Okanoya, K. (December 2018). "Trill-calls in Java sparrows: Repetition rate determines the category of acoustically similar calls in different behavioral contexts". Behavioural Processes. 157: 68–72. doi:10.1016/j.beproc.2018.08.010. eISSN1872-8308. PMID30157464.
Furutani, A.; Mori, C.; Okanoya, K. (December 2018). "Trill-calls in Java sparrows: Repetition rate determines the category of acoustically similar calls in different behavioral contexts". Behavioural Processes. 157: 68–72. doi:10.1016/j.beproc.2018.08.010. eISSN1872-8308. PMID30157464.