Angeli, A., Streit, U., & Gonfalonieri, R. (2000). The SAP R/3 guide to EDI and interfaces. Vieweg.
芝加哥风格引文Angeli, Axel, Ulrich Streit, 与 Robi Gonfalonieri. The SAP R/3 Guide to EDI and Interfaces. Braunschweig: Vieweg, 2000.
MLA引文Angeli, Axel, et al. The SAP R/3 Guide to EDI and Interfaces. Vieweg, 2000.
警告：这些引文格式不一定是100％准确.