Gaya APA

Spencer, A, R, M, A, D, B, H, C, A. (2009). Linguistics An Introduction , Second Edition . Singapura: Cambridge Press.

Gaya MLA

Spencer, Andrew, Radford,, Martin, Atkinson,, David, Britain,, Harald, Clahsen,, Andrew. "Linguistics An Introduction , Second Edition". Singapura: Cambridge Press, 2009. Text.