Orlovi i jastrebovi (Serbian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orlovi i jastrebovi" in Serbian language version.

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Ferguson-Lees & Christie 2001, стр. 69. Ferguson-Lees, James; Christie, David A. (2001). Raptors of the World. Illustrated by Kim Franklin, David Mead, and Philip Burton. Houghton Mifflin. ISBN 978-0-618-12762-7. Приступљено 2017-08-19.
Christidis & Boles 2008, стр. 50–51. Christidis, Les; Boles, Walter E. (2008). Systematics and Taxonomy of Australian Birds. CSIRO Publishing. ISBN 978-0-643-06511-6. Приступљено 2017-08-19. Includes a review of recent literature on the controversy.

Voous 1973. Voous, K. H. (1973). „List of Recent Holarctic Bird Species Non-Passerines”. Ibis. 115 (4): 612—638. doi:10.1111/j.1474-919X.1973.tb02004.x.