Peterson, K. D. (2000). Business telecom systems: A guide to choosing the best technologies and services. CMP Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeterson, Kerstin Day. Business Telecom Systems: A Guide to Choosing the Best Technologies and Services. New York,NY: CMP Books, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeterson, Kerstin Day. Business Telecom Systems: A Guide to Choosing the Best Technologies and Services. CMP Books, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.