توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Khairiah Badri. (2002). Preparation and characterization of a rigid polyurethane foam from RBD palm kernel oil polyol with oil palm empty fruit bunch fiber as filler. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Khairiah Badri. Preparation and Characterization of a Rigid Polyurethane Foam from RBD Palm Kernel Oil Polyol with Oil Palm Empty Fruit Bunch Fiber as Filler. Bangi, Selangor: Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2002.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Khairiah Badri. Preparation and Characterization of a Rigid Polyurethane Foam from RBD Palm Kernel Oil Polyol with Oil Palm Empty Fruit Bunch Fiber as Filler. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2002.