Não informado. (1957). Home Economics Research Reports. U.S. Department of Agriculture.
Chicago-Zitierstil (17. Ausg.)Não informado. Home Economics Research Reports. Washington: U.S. Department of Agriculture, 1957.
MLA-Zitierstil (8. Ausg.)Não informado. Home Economics Research Reports. U.S. Department of Agriculture, 1957.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.