توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Kahar, M. S., Wekke, I. S., & Layn, M. R. (2018, October). Development of Problem Solving-Oriented Worksheet of Physics Learning In Senior High School. Jurnal Ilmiah Pendidikan Fisika Al-Biruni.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Kahar, Muhammad Syahrul, Ismail Suardi Wekke, و Muhamad Ruslan Layn. "Development of Problem Solving-Oriented Worksheet of Physics Learning In Senior High School." Jurnal Ilmiah Pendidikan Fisika Al-Biruni Oct. 2018.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Kahar, Muhammad Syahrul, et al. "Development of Problem Solving-Oriented Worksheet of Physics Learning In Senior High School." Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Oct. 2018.