Crefton, Christine. "Introductory Chemistry Textbook". OER Commons. Institute for the Study of Knowledge Management in Education, 24 Feb. 2020. Web. 26 Apr. 2024. <https://most.oercommons.org/authoring/101-introductory-chemistry-textbook>.
Crefton, C. (2020, February 24). Introductory Chemistry Textbook. OER Commons. Retrieved April 26, 2024, from https://most.oercommons.org/authoring/101-introductory-chemistry-textbook.