Roy, A. E., & Clarke, D. (1978). Astronomy: Structure of the universe. Adams and Higler.
シカゴスタイル引用形Roy, A E., , D. Clarke. Astronomy: Structure of the Universe. Bristol: Adams and Higler, 1978.
MLA引用形式Roy, A E., , D. Clarke. Astronomy: Structure of the Universe. Adams and Higler, 1978.
警告: この引用は必ずしも正確ではありません.