APA-referens (7:e uppl.)

Não informado. (1912). Bulletin of the Department of Agriculture, Ceylon. Department of Agriculture.

Chicago-referens (17:e uppl.)

Não informado. Bulletin of the Department of Agriculture, Ceylon. Colombo: Department of Agriculture, 1912.

MLA-referens (8:e uppl.)

Não informado. Bulletin of the Department of Agriculture, Ceylon. Department of Agriculture, 1912.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.