FRI. (1987). Research Highlights. Forest Research Institute and Colleges.
シカゴスタイル引用形FRI. Research Highlights. Dehra Dun: Forest Research Institute and Colleges, 1987.
MLA引用形式FRI. Research Highlights. Forest Research Institute and Colleges, 1987.
警告: この引用は必ずしも正確ではありません.