Pearson, R. (2023). Summary of results of treated and untreated experimental sleepers laid in the various railway systems of India, brought up to date. Forest Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pearson, R.S. Summary of Results of Treated and Untreated Experimental Sleepers Laid in the Various Railway Systems of India, Brought Up to Date. Forest Research Institute, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pearson, R.S. Summary of Results of Treated and Untreated Experimental Sleepers Laid in the Various Railway Systems of India, Brought Up to Date. Forest Research Institute, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.