SANDERS, H. e. (1966). Cooperative extension service. Prentice -Hall.
芝加哥风格引文SANDERS, H.C. ed. Cooperative Extension Service. New Jersey: Prentice -Hall, 1966.
MLA引文SANDERS, H.C. ed. Cooperative Extension Service. Prentice -Hall, 1966.
警告:这些引文格式不一定是100%准确.