Williams, T. R., & Saladyga, M. (2011). Advancing variable star astronomy: The centennial history of the American Association of Variable Star Observers. Cambridge University Press. https://doi.org/10.1017/CBO9780511977251
Chicago-Zitierstil (17. Ausg.)Williams, Thomas R., und Michael Saladyga. Advancing Variable Star Astronomy: The Centennial History of the American Association of Variable Star Observers. Cambridge ; New York ; Melbourne ; Madrid ; Cape Town ; Singapore ; São Paulo ; Delhi ; Tokyo ; Mexico City: Cambridge University Press, 2011. https://doi.org/10.1017/CBO9780511977251.
MLA-Zitierstil (9. Ausg.)Williams, Thomas R., und Michael Saladyga. Advancing Variable Star Astronomy: The Centennial History of the American Association of Variable Star Observers. Cambridge University Press, 2011. https://doi.org/10.1017/CBO9780511977251.