Gaya APA

Alexander, L. (1999). Developing Skills: An Integrated Course for Intermediate Students (Cet. 20). Yogyakarta: Penerbit Kanisius.

Gaya MLA

Alexander, L.G.. "Developing Skills: An Integrated Course for Intermediate Students". Cet. 20 Yogyakarta: Penerbit Kanisius, 1999. Text.