Não informado. (1978). National food review. U.S. Department of Agriculture, National Economics Division.
Citação do estilo Chicago (17ª ed.)Não informado. National Food Review. Washington: U.S. Department of Agriculture, National Economics Division, 1978.
Citação MLA (8ª ed.)Não informado. National Food Review. U.S. Department of Agriculture, National Economics Division, 1978.
警告:這些引文格式不一定是100%准確.