APA (7 वां संस्करण) प्रशस्ति पत्र

LARSEN-FREEMAN, D., & LONG, M. H. (1999). An introduction to second language acquisition research. Longman.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

LARSEN-FREEMAN, Diane, और Michael H. LONG. An Introduction to Second Language Acquisition Research. London: Longman, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

LARSEN-FREEMAN, Diane, और Michael H. LONG. An Introduction to Second Language Acquisition Research. Longman, 1999.