APA সাইটেশন

M M C School of management. (1966). Over the telephone: Etiquette and efficiency. MMC.

শিকাগো স্টাইলে সাইটেশন

M M C School of management. Over the Telephone: Etiquette and Efficiency. Bombay: MMC, 1966.

এমএলএ সাইটেশন

M M C School of management. Over the Telephone: Etiquette and Efficiency. MMC, 1966.