Finney, D. (2023). The efficiency of enumerations, 1. Volume estimation of standing timber by sampling, 2. Random and systematic sampling in timber surveys. Forest Research Institute, Dehradun.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Finney, D.J. The Efficiency of Enumerations, 1. Volume Estimation of Standing Timber by Sampling, 2. Random and Systematic Sampling in Timber Surveys. Forest Research Institute, Dehradun, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Finney, D.J. The Efficiency of Enumerations, 1. Volume Estimation of Standing Timber by Sampling, 2. Random and Systematic Sampling in Timber Surveys. Forest Research Institute, Dehradun, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.