Makalinao, S. U., Tenmatay, A. L., & Gomez, L. K. (1955). Research on Piña fiber (Ananas comosus (L) Merr.). Department of Chemistry, College of Liberal Arts, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Makalinao, Sofronia U., Augusto L. Tenmatay, و Lilly K. Gomez. Research on Piña Fiber (Ananas Comosus (L) Merr.). Quezon City: Department of Chemistry, College of Liberal Arts, University of the Philippines Diliman, 1955.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Makalinao, Sofronia U., et al. Research on Piña Fiber (Ananas Comosus (L) Merr.). Department of Chemistry, College of Liberal Arts, University of the Philippines Diliman, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.