Krefting, Denise. "The Skeletal System: Crash Course A&P". OER Commons. Institute for the Study of Knowledge Management in Education, 17 Nov. 2016. Web. 19 Apr. 2024. <https://oercommons.org/authoring/18219-the-skeletal-system-crash-course-a-p>.
Krefting, D. (2016, November 17). The Skeletal System: Crash Course A&P. OER Commons. Retrieved April 19, 2024, from https://oercommons.org/authoring/18219-the-skeletal-system-crash-course-a-p.