Walker, G. (1987). Astronomical observations: An optical perspective. Cambridge University Press.
Chicagoスタイル(17版)引用形式Walker, G. Astronomical Observations: An Optical Perspective. Cambridge: Cambridge University Press, 1987.
MLA(9版)引用形式Walker, G. Astronomical Observations: An Optical Perspective. Cambridge University Press, 1987.
警告: この引用は必ずしも正確ではありません.