Aphalo, Pedro J. “OpenIntro Statistics, 3ed by David M. Diez, Christopher D. Barr and Mine Cetinkaya-Rundel”. UV4Plants Bulletin 2016, no. 2 (March 4, 2017): 51–53. Accessed September 18, 2025. https://bulletin.uv4plants.org/index.php/uv4pbulletin/article/view/10.