توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Sailun, B. (1997). The design of communicative skills for the first year students of English department in islamic University of Riau Pekanbaru. Fakulti Pendidikan, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Sailun, Betty. The Design of Communicative Skills for the First Year Students of English Department in Islamic University of Riau Pekanbaru. Bangi: Fakulti Pendidikan, Universiti Kebangsaan Malaysia, 1997.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Sailun, Betty. The Design of Communicative Skills for the First Year Students of English Department in Islamic University of Riau Pekanbaru. Fakulti Pendidikan, Universiti Kebangsaan Malaysia, 1997.