Villaplaza, B. R. B. (2014). Mineralogical and lithogeochemical characterization of hydrothermally altered rocks: A case study from the Masura Gold District, Compostella Valley, Philippines. National Institute of Geological Sciences, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Villaplaza, Barbie Ross B. Mineralogical and Lithogeochemical Characterization of Hydrothermally Altered Rocks: A Case Study from the Masura Gold District, Compostella Valley, Philippines. Quezon City: National Institute of Geological Sciences, University of the Philippines Diliman, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Villaplaza, Barbie Ross B. Mineralogical and Lithogeochemical Characterization of Hydrothermally Altered Rocks: A Case Study from the Masura Gold District, Compostella Valley, Philippines. National Institute of Geological Sciences, University of the Philippines Diliman, 2014.