Gaya APA

Jenson, K, M. (1984). Interlanguage of Learners of English as a Foreign Language (Occasional Papers No.33). Singapura: SEAMEO Regional Language Centre.

Gaya MLA

Jenson, Kenneth, Michael. "Interlanguage of Learners of English as a Foreign Language". Occasional Papers No.33 Singapura: SEAMEO Regional Language Centre, 1984. Text.