Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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