Horrocks, M., Acabado, S. B., & Peterson, J. (2018). Plant microfossil results from old Kiyyangan village: Looking for the introduction and expansion of wet-field rice (Oryza sativa) cultivation in the Ifugao rice terraces, Philippine Cordilleras.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Horrocks, Mark, Stephen B. Acabado, و John Peterson. Plant Microfossil Results from Old Kiyyangan Village: Looking for the Introduction and Expansion of Wet-field Rice (Oryza Sativa) Cultivation in the Ifugao Rice Terraces, Philippine Cordilleras. 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Horrocks, Mark, et al. Plant Microfossil Results from Old Kiyyangan Village: Looking for the Introduction and Expansion of Wet-field Rice (Oryza Sativa) Cultivation in the Ifugao Rice Terraces, Philippine Cordilleras. 2018.