Gabler, R. E. (2004). Essentials of physical geography. Belmont, CA: Thomson Books/Cole.
シカゴスタイル引用形Gabler, Robert E. Essentials of Physical Geography. Belmont, CA: Thomson Books/Cole, 2004.
MLA引用形式Gabler, Robert E. Essentials of Physical Geography. Belmont, CA: Thomson Books/Cole, 2004.
警告: この引用は必ずしも正確ではありません.