Gaya APA

ahmad, D. (2009). Materials development on english language teaching : A handbook for teachers and lecturers of english as a foreign/language (cet 1). Yogyakarta: Cakrawala publishing yogyakarta.

Gaya MLA

ahmad, Djuwairiah. "Materials development on english language teaching : A handbook for teachers and lecturers of english as a foreign/language". cet 1 Yogyakarta: Cakrawala publishing yogyakarta, 2009. Text.