Poblador, M. S. C. A., & Gauran, I. I. M. (2012). Sampling with probability proportional to aggregate size using nonparametric bootstrap ion estimating total production area of top cereals and root crops across Philippine regions. Philippine Statistician.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Poblador, Maria Sofia Criselda A., و Iris Ivy M. Gauran. "Sampling with Probability Proportional to Aggregate Size Using Nonparametric Bootstrap Ion Estimating Total Production Area of Top Cereals and Root Crops Across Philippine Regions." Philippine Statistician 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Poblador, Maria Sofia Criselda A., و Iris Ivy M. Gauran. "Sampling with Probability Proportional to Aggregate Size Using Nonparametric Bootstrap Ion Estimating Total Production Area of Top Cereals and Root Crops Across Philippine Regions." Philippine Statistician, 2012.