Ali, S. Handbook of the birds of India and Pakinstan: Tigetger with those of Nepa , Siikim, Bhutan and Ceylon.
Citazione stile Chigago Style (17a edizione)Ali, Salim. Handbook of the Birds of India and Pakinstan: Tigetger with Those of Nepa , Siikim, Bhutan and Ceylon.
Citatione MLA (9a ed.)Ali, Salim. Handbook of the Birds of India and Pakinstan: Tigetger with Those of Nepa , Siikim, Bhutan and Ceylon.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.