Tilde, A. C., & Payawal, P. C. (1992). Commercial honey in the Philippines I. pollen grains analysis. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tilde, Aurora C., و Pacifico C. Payawal. "Commercial Honey in the Philippines I. Pollen Grains Analysis." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 1992.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Tilde, Aurora C., و Pacifico C. Payawal. "Commercial Honey in the Philippines I. Pollen Grains Analysis." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.