UPOU (University of the Philippines Open University) & MERCED-I (Mindanao Educational Resources for Curricular Enhancement and Development-Initiatives) on OER (Open Educational Resources). (2020). UPOU open educational resources (OERs) [electronic resource]. University of the Philippines Open University.
Chicago-viite (17. p.)UPOU (University of the Philippines Open University) ja MERCED-I (Mindanao Educational Resources for Curricular Enhancement and Development-Initiatives) on OER (Open Educational Resources). UPOU Open Educational Resources (OERs) [electronic Resource]. Los Baños, Laguna: University of the Philippines Open University, 2020.
MLA-viite (9. p.)UPOU (University of the Philippines Open University) ja MERCED-I (Mindanao Educational Resources for Curricular Enhancement and Development-Initiatives) on OER (Open Educational Resources). UPOU Open Educational Resources (OERs) [electronic Resource]. University of the Philippines Open University, 2020.