Cita APA (7a ed.)

Conference on Applied Linguistics & Gass, S. M. (1989). Variation in second language acquisition. Multilingual Matters.

Cita Chicago Style (17a ed.)

Conference on Applied Linguistics y Susan M. Gass. Variation in Second Language Acquisition. Clevedon, Avon, England: Multilingual Matters, 1989.

Cita MLA (8a ed.)

Conference on Applied Linguistics y Susan M. Gass. Variation in Second Language Acquisition. Multilingual Matters, 1989.