Van Riper, C., & Butler, K. G. (1955). Speech in the elementary classroom. Harper.
芝加哥风格引文Van Riper, Charles, 与 Katherine Gorrell Butler. Speech in the Elementary Classroom. New York: Harper, 1955.
MLA引文Van Riper, Charles, 与 Katherine Gorrell Butler. Speech in the Elementary Classroom. Harper, 1955.
警告：这些引文格式不一定是100％准确.