Supriyadi, S., Purwanto, P., Anggoro, D. D., & Hermawan, H. (2021). The Effects of Sodium Hydroxide (NaOH) Concentration and Reaction Temperature on The Properties of Biodiesel from Philippine Tung (Reutealis Trisperma) Seeds. Universitas Muhammadiyah Magelang.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Supriyadi, Slamet, Purwanto Purwanto, Didi Dwi Anggoro, و Hermawan Hermawan. The Effects of Sodium Hydroxide (NaOH) Concentration and Reaction Temperature on The Properties of Biodiesel from Philippine Tung (Reutealis Trisperma) Seeds. Universitas Muhammadiyah Magelang, 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Supriyadi, Slamet, et al. The Effects of Sodium Hydroxide (NaOH) Concentration and Reaction Temperature on The Properties of Biodiesel from Philippine Tung (Reutealis Trisperma) Seeds. Universitas Muhammadiyah Magelang, 2021.