Allen, G. R. (1959). Agricultural marketing policies. B. Blackwell.
Chicago Style (17th ed.) CitationAllen, George Rollason. Agricultural Marketing Policies. Oxford: B. Blackwell, 1959.
MLA引文Allen, George Rollason. Agricultural Marketing Policies. B. Blackwell, 1959.
警告:這些引文格式不一定是100%准確.