S.Dillon Ripley & Salim Ali. Handbook of the birds of India and Pakistan-(10 Vol.) V. 9 Robins to wagtails. Oxford University press.
Chicago Edition CitationS.Dillon Ripley and Salim Ali. Handbook of the Birds of India and Pakistan-(10 Vol.) V. 9 Robins to Wagtails. Oxford University press.
MLA Edition CitationS.Dillon Ripley and Salim Ali. Handbook of the Birds of India and Pakistan-(10 Vol.) V. 9 Robins to Wagtails. Oxford University press.
Warning: These citations may not always be 100% accurate.