Não informado. (1940). Farm and home science. Utah Agricultural Experiment Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Farm and Home Science. Logan, Utah: Utah Agricultural Experiment Station, 1940.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Farm and Home Science. Utah Agricultural Experiment Station, 1940.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.