Garstens, H. L., & Jackson, S. B. (1967). Mathematics for elementary school teachers. Macmillan.
芝加哥风格引文Garstens, Helen L., 与 Stanley B. Jackson. Mathematics for Elementary School Teachers. New York: Macmillan, 1967.
MLA引文Garstens, Helen L., 与 Stanley B. Jackson. Mathematics for Elementary School Teachers. Macmillan, 1967.
警告：这些引文格式不一定是100％准确.