توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Nilles, M. L. D., & Rivera, W. L. (2009). Morphological characterization and phylogenetic analysis of balantidium coli isolated in the Philippines. Institute of Biology, College of Science, University of the Philippines Diliman.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Nilles, Ma. Lourdes D., و Windell L. Rivera. Morphological Characterization and Phylogenetic Analysis of Balantidium Coli Isolated in the Philippines. Quezon City: Institute of Biology, College of Science, University of the Philippines Diliman, 2009.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Nilles, Ma. Lourdes D., و Windell L. Rivera. Morphological Characterization and Phylogenetic Analysis of Balantidium Coli Isolated in the Philippines. Institute of Biology, College of Science, University of the Philippines Diliman, 2009.