Administrator, STEMToolkit. "Guitar Cost Analysis". OER Commons. Institute for the Study of Knowledge Management in Education, 16 Jun. 2021. Web. 04 Jun. 2023. <https://www.oercommons.org/authoring/61508-guitar-cost-analysis>.
Administrator, S. (2021, June 16). Guitar Cost Analysis. OER Commons. Retrieved June 04, 2023, from https://www.oercommons.org/authoring/61508-guitar-cost-analysis.