Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1940). Current review of agricultural conditions in Canada. Department of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Current Review of Agricultural Conditions in Canada. Ottawa: Department of Agriculture, 1940.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Current Review of Agricultural Conditions in Canada. Department of Agriculture, 1940.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.