Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1959). Canadian agricultural engineering. Canadian Society of Agricultural Engineering.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Canadian Agricultural Engineering. Ottawa: Canadian Society of Agricultural Engineering, 1959.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Canadian Agricultural Engineering. Canadian Society of Agricultural Engineering, 1959.

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