Bruce L. Gardner and Gordon C. Rausser. (2002). Agricultural and Food Policy. ELSEVIER.
芝加哥风格引文Bruce L. Gardner and Gordon C. Rausser. Agricultural and Food Policy. ELSEVIER, 2002.
MLA引文Bruce L. Gardner and Gordon C. Rausser. Agricultural and Food Policy. ELSEVIER, 2002.
警告：这些引文格式不一定是100％准确.