Williams, T. R. (2011). Advancing variable star astronomy: The centennial history of the American association of variable star observers. Cambridge University.
Chicago Edition CitationWilliams, Thomas R. Advancing Variable Star Astronomy: The Centennial History of the American Association of Variable Star Observers. Cambridge: Cambridge University, 2011.
MLA引文Williams, Thomas R. Advancing Variable Star Astronomy: The Centennial History of the American Association of Variable Star Observers. Cambridge University, 2011.
警告：這些引文格式不一定是100％准確.