Frederick R. Chromey. (2012). To Measure the Sky (1.). Cambridge University Press.
Chicagoスタイル(17版)引用形式Frederick R. Chromey. To Measure the Sky. 1. Cambridge University Press, 2012.
MLA(8版)引用形式Frederick R. Chromey. To Measure the Sky. 1. Cambridge University Press, 2012.
警告: この引用は必ずしも正確ではありません.