University of the Philippines Institute of Chemistry Water Research and Management laboratory. (2019). Manual of procedures for sampling, sample preparation and analysis of antibiotics and hormones in Laguna Lake water. University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines Institute of Chemistry Water Research and Management laboratory. Manual of Procedures for Sampling, Sample Preparation and Analysis of Antibiotics and Hormones in Laguna Lake Water. Quezon City, Philipppines: University of the Philippines Diliman, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines Institute of Chemistry Water Research and Management laboratory. Manual of Procedures for Sampling, Sample Preparation and Analysis of Antibiotics and Hormones in Laguna Lake Water. University of the Philippines Diliman, 2019.