Kazmierczak, K., & van Perlo, B. (2000). A field guide to the birds of India: Sri Lanka, Pakistan, Nepal, Bhutan, Bangladesh and the Maldives. Om Book Service.
Citazione stile Chigago Style (17a edizione)Kazmierczak, Krys, e Ber van Perlo. A Field Guide to the Birds of India: Sri Lanka, Pakistan, Nepal, Bhutan, Bangladesh and the Maldives. New Delhi: Om Book Service, 2000.
Citatione MLA (9a ed.)Kazmierczak, Krys, e Ber van Perlo. A Field Guide to the Birds of India: Sri Lanka, Pakistan, Nepal, Bhutan, Bangladesh and the Maldives. Om Book Service, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.