Gaya APA

Hasan, B. (2016). Refining sentence writing skills for professional and academic purposes : a practical application of modern rhetoric (Pertama). Yogyakarta: PT. Graha ilmu.

Gaya MLA

Hasan, Basturi. "Refining sentence writing skills for professional and academic purposes : a practical application of modern rhetoric". Pertama Yogyakarta: PT. Graha ilmu, 2016. Text.