APA (7 ম সংস্করণ) উদ্ধৃতি

Nicholson, E. (1968). Handbook to the conservation section of the international biological programme. Conservation of Terrestrial Biological Communities.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Nicholson, E.M. Handbook to the Conservation Section of the International Biological Programme. London: Conservation of Terrestrial Biological Communities, 1968.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Nicholson, E.M. Handbook to the Conservation Section of the International Biological Programme. Conservation of Terrestrial Biological Communities, 1968.