Shimmin, B. F. (1997). Effective e-mail: Clearly explained: file transfer, security, and interoperability. AP professional.
Παραπομπή σε μορφή Chicago (17η εκδ.)Shimmin, Bradley F. Effective E-mail: Clearly Explained: File Transfer, Security, and Interoperability. Boston: AP professional, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Shimmin, Bradley F. Effective E-mail: Clearly Explained: File Transfer, Security, and Interoperability. AP professional, 1997.
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