APA (7 वां संस्करण) प्रशस्ति पत्र

Peterson, K. D. (2000). Business telecom systems: A guide to choosing the best technologies and services. CMP Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Peterson, Kerstin Day. Business Telecom Systems: A Guide to Choosing the Best Technologies and Services. New York,NY: CMP Books, 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Peterson, Kerstin Day. Business Telecom Systems: A Guide to Choosing the Best Technologies and Services. CMP Books, 2000.

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