McCracken, D. D., & Garbassi, U. (1970). A guide to COBOL programming (2d ed.). Wiley-Interscience.
芝加哥风格引文McCracken, Daniel D., 与 Umberto Garbassi. A Guide to COBOL Programming. 2d ed. New York: Wiley-Interscience, 1970.
MLA引文McCracken, Daniel D., 与 Umberto Garbassi. A Guide to COBOL Programming. 2d ed. Wiley-Interscience, 1970.
警告：这些引文格式不一定是100％准确.