Bethel, J. S. (1976). Forests in Central America and Panama: Which kind, how large and where?
シカゴスタイル引用形Bethel, James S. Forests in Central America and Panama: Which Kind, How Large and Where? 1976.
MLA引用形式Bethel, James S. Forests in Central America and Panama: Which Kind, How Large and Where? 1976.
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