ผลต่างระหว่างรุ่นของ "นกเค้าป่าสีน้ำตาล"

 

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* Grimmett, Richard; Inskipp, Carol, Inskipp, Tim & Byers, Clive (1999): ''Birds of India, Pakistan, Nepal, Bangladesh, Bhutan, Sri Lanka, and the Maldives''. Princeton University Press, Princeton, N.J.. <small>ISBN 0-691-04910-6</small>

* Holt, Denver W., Berkley, Regan; Deppe, Caroline; Enríquez Rocha, Paula L.; Olsen, Penny D.; Petersen, Julie L.; Rangel Salazar, José Luis; Segars, Kelley P. & Wood, Kristin L. (1999): 96. Brown Wood Owl. ''In:'' del Hoyo, J.; Elliott, A. & Sargatal, J. (eds): ''[[Handbook of Birds of the World]], Volume 5: Barn-owls to Hummingbirds'': 197-198, plate 12. Lynx Edicions, Barcelona. <small>ISBN 84-87334-25-3</small>