Engel, F., & Foster, J. R. (1961). Creatures of the earth's crust. George G Harrap.
シカゴスタイル引用形Engel, Fritz-Martin, , J. R. Foster. Creatures of the Earth's Crust. London: George G Harrap, 1961.
MLA引用形式Engel, Fritz-Martin, , J. R. Foster. Creatures of the Earth's Crust. George G Harrap, 1961.
警告: この引用は必ずしも正確ではありません.