Penggayaan APA

GASS, Susan M.. (2018). Input, interaction, and the second language learner . London: Routledge.

Chicago Style

GASS, Susan M.. Input, interaction, and the second language learner. London: Routledge, 2018. Buku.

MLA Style

GASS, Susan M.. Input, interaction, and the second language learner. London: Routledge, 2018. Buku.

Turabian Style

GASS, Susan M.. Input, interaction, and the second language learner. London: Routledge, 2018. Buku.