Engelbert, P. (1997). Astronomy and Space: From the Big Bang to the Big Crunch. U. X. L.
Style de citation ChicagoEngelbert, Phillis. Astronomy and Space: From the Big Bang to the Big Crunch. New York: U. X. L, 1997.
Style de citation MLAEngelbert, Phillis. Astronomy and Space: From the Big Bang to the Big Crunch. U. X. L, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.