Burley, J. (1985). International working group on determination of age and growth rate in tropical trees: Address list and subject categories. Commenwealth Forestry Institute, University of Oxford.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Burley, J. International Working Group on Determination of Age and Growth Rate in Tropical Trees: Address List and Subject Categories. Commenwealth Forestry Institute, University of Oxford, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Burley, J. International Working Group on Determination of Age and Growth Rate in Tropical Trees: Address List and Subject Categories. Commenwealth Forestry Institute, University of Oxford, 1985.
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