Nelson, H., & Dougherty, D. (1991). The Z-mail handbook. O'Reilly & Associates.
芝加哥风格引文Nelson, Hanna, 与 Dale Dougherty. The Z-mail Handbook. Sebastopol, CA: O'Reilly & Associates, 1991.
MLA引文Nelson, Hanna, 与 Dale Dougherty. The Z-mail Handbook. O'Reilly & Associates, 1991.
警告：这些引文格式不一定是100％准确.