Gaya APA

Geeslin, K, L., Long, A, Y. (2014). Sociolinguistics and second language acquisition: learning to use language in context . London: Routledge.

Gaya MLA

Geeslin, Kimberly, L.., Long, Avizia, Yim.. "Sociolinguistics and second language acquisition: learning to use language in context". London: Routledge, 2014. print.