DENG, R. H., Gong, L., Lazar, A. A., & WANG, W. (1996). Practical Protocols for Certified Electronic Mail. Institutional Knowledge at Singapore Management University.
استشهاد بنمط شيكاغوDENG, Robert H., L. Gong, A. A. Lazar, و W. WANG. Practical Protocols for Certified Electronic Mail. Institutional Knowledge at Singapore Management University, 1996.
MLA استشهادDENG, Robert H., L. Gong, A. A. Lazar, و W. WANG. Practical Protocols for Certified Electronic Mail. Institutional Knowledge at Singapore Management University, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.