Fowler, Samantha; Roush, Rebecca; Wise, James (2013). "Chapter 13: Diversity of Microbes, Fungi, and Protists". Concepts of Biology. OpenStax. Archived from the original on 19 April 2021. Retrieved 13 November 2020.
"What are yeasts?". Yeast Virtual Library. 13 September 2009. Archived from the original on 26 February 2009. Retrieved 28 November 2009.
Fowler, Samantha; Roush, Rebecca; Wise, James (2013). "Chapter 13: Diversity of Microbes, Fungi, and Protists". Concepts of Biology. OpenStax. Archived from the original on 19 April 2021. Retrieved 13 November 2020.
yeastgenome.org
"What are yeasts?". Yeast Virtual Library. 13 September 2009. Archived from the original on 26 February 2009. Retrieved 28 November 2009.