International Union for Conservation of Nature and Natural Resources & Technical Meeting (11th : 1969 : New Delhi, India). (1970). Eleventh Technical Meeting: Papers and proceedings, New Delhi, India, 25 to 28 november 1969 = Onz ieme Reunion Technique : rapports et proces-verbaux, New Delhi, India, 25 to 28 november 1969. IUCN.
Style de citation Chicago (17e éd.)International Union for Conservation of Nature and Natural Resources et India) Technical Meeting (11th : 1969 : New Delhi. Eleventh Technical Meeting: Papers and Proceedings, New Delhi, India, 25 to 28 November 1969 = Onz Ieme Reunion Technique : Rapports Et Proces-verbaux, New Delhi, India, 25 to 28 November 1969. Morges: IUCN, 1970.
Style de citation MLA (9e éd.)International Union for Conservation of Nature and Natural Resources et India) Technical Meeting (11th : 1969 : New Delhi. Eleventh Technical Meeting: Papers and Proceedings, New Delhi, India, 25 to 28 November 1969 = Onz Ieme Reunion Technique : Rapports Et Proces-verbaux, New Delhi, India, 25 to 28 November 1969. IUCN, 1970.