Administrator, STEMToolkit. "Guitar Cost Analysis". OER Commons. Institute for the Study of Knowledge Management in Education, 16 Jun. 2021. Web. 02 Oct. 2024. <https://oercommons.org/authoring/61508-guitar-cost-analysis>.
Administrator, S. (2021, June 16). Guitar Cost Analysis. OER Commons. Retrieved October 02, 2024, from https://oercommons.org/authoring/61508-guitar-cost-analysis.