Votaw, D. F. [. o. c., & Levinson, H. S. (1962). Elementary sampling for traffic engineers. Eno Foundation for Highway Traffic Control.
芝加哥风格引文Votaw, David Freeman. [from old catalog], 与 Herbert S. Levinson. Elementary Sampling for Traffic Engineers. Saugatuck, Conn: Eno Foundation for Highway Traffic Control, 1962.
MLA引文Votaw, David Freeman. [from old catalog], 与 Herbert S. Levinson. Elementary Sampling for Traffic Engineers. Eno Foundation for Highway Traffic Control, 1962.
警告：这些引文格式不一定是100％准确.