Bakers, R. H. (1961). An introduction to astronomy. D. Van Nostrand.
Chicagoスタイル(17版)引用形式Bakers, Robert H. An Introduction to Astronomy. Princeton, NJ: D. Van Nostrand, 1961.
MLA(9版)引用形式Bakers, Robert H. An Introduction to Astronomy. D. Van Nostrand, 1961.
警告: この引用は必ずしも正確ではありません.