Longwell, C. R. (1957). Outlines of physical geology (2nd ed.). John willey & sons.
シカゴスタイル引用形Longwell, Chester R. Outlines of Physical Geology. 2nd ed. New york: John willey & sons, 1957.
MLA引用形式Longwell, Chester R. Outlines of Physical Geology. 2nd ed. John willey & sons, 1957.
警告: この引用は必ずしも正確ではありません.