APA (7 वां संस्करण) प्रशस्ति पत्र

Trudgill, P. (2000). Sociolinguistics: An introduction to language and society (4th ed.). Penguin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. 4th ed. London ; New York: Penguin, 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. 4th ed. Penguin, 2000.