Não informado. Extension circular. New Mexico College of Agriculture and Mechanic Arts.
Chicago-Zitierstil (17. Ausg.)Não informado. Extension Circular. Santa Fe, NM: New Mexico College of Agriculture and Mechanic Arts.
MLA-Zitierstil (8. Ausg.)Não informado. Extension Circular. New Mexico College of Agriculture and Mechanic Arts.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.