Engelbert, P. (1997). Astronomy and Space: From the Big Bang to the Big Crunch. U. X. L.
シカゴスタイル引用形Engelbert, Phillis. Astronomy and Space: From the Big Bang to the Big Crunch. New York: U. X. L, 1997.
MLA引用形式Engelbert, Phillis. Astronomy and Space: From the Big Bang to the Big Crunch. U. X. L, 1997.
警告: この引用は必ずしも正確ではありません.