Stagg, Adrian et al. "Creating OER (Postcard format for Higher Education)". OER Commons. Institute for the Study of Knowledge Management in Education, 05 Nov. 2017. Web. 26 May 2019. <https://www.oercommons.org/authoring/25364-creating-oer-postcard-format-for-higher-education>.
Stagg, A., Martin, N., Wattiaux, C., & Heck, T. (2017, November 05). Creating OER (Postcard format for Higher Education). OER Commons. Retrieved May 26, 2019, from https://www.oercommons.org/authoring/25364-creating-oer-postcard-format-for-higher-education.