Yumul, G. P. J., Dimalanta, C. B., & Manjoorsa, M. V. Determination of sulfur saturation as an aid in the search for platinum-group minerals and associated precious metals.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yumul, Graciano P. Jr, Carla B. Dimalanta, و Mustansir V. Manjoorsa. Determination of Sulfur Saturation as an Aid in the Search for Platinum-group Minerals and Associated Precious Metals.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Yumul, Graciano P. Jr, et al. Determination of Sulfur Saturation as an Aid in the Search for Platinum-group Minerals and Associated Precious Metals.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.