Gaya APA

Alexander, L., Alexander, L. (). New Concept English - Fluency in English: an Integrated Course for Advanced Student . Yogyakarta: Kanisius.

Gaya MLA

Alexander, L.G.., Alexander, L.G.. "New Concept English - Fluency in English: an Integrated Course for Advanced Student". Yogyakarta: Kanisius, . Text.