APA-referens (7:e uppl.)

Não informado. (1965). Plant Varieties and Seeds Gazette. Ministry of Agriculture, Fisheries and Food.

Chicago-referens (17:e uppl.)

Não informado. Plant Varieties and Seeds Gazette. Cambridge, Inglaterra: Ministry of Agriculture, Fisheries and Food, 1965.

MLA-referens (8:e uppl.)

Não informado. Plant Varieties and Seeds Gazette. Ministry of Agriculture, Fisheries and Food, 1965.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.