Larsen-Freeman, D., & Long, M. H. (1991). An introduction to second language acquisition research. Longman.
Chicago-čujuhus (17. p.)Larsen-Freeman, Diane, juo Michael H. Long. An Introduction to Second Language Acquisition Research. Essex: Longman, 1991.
MLA-čujuhus (9. p.)Larsen-Freeman, Diane, juo Michael H. Long. An Introduction to Second Language Acquisition Research. Longman, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.