Gaya APA

Alexander, L, G. (1994). Developing Skills An Intergrated Course For Intermediate Students (7). Yogyakarta: Penerbit Kanisius.

Gaya MLA

Alexander, L., G.. "Developing Skills An Intergrated Course For Intermediate Students". 7 Yogyakarta: Penerbit Kanisius, 1994. Text.