APA-viite

Andrés Jiménez, C., & Anchetta Meza, G. (2020). Education elements in textbooks at UNED, Costa Rica, 2017 and 2018: Use frequency and improve possibilities.

Chicago-tyylinen lähdeviittaus

Andrés Jiménez, Carmen, ja Gloriana Anchetta Meza. Education Elements in Textbooks At UNED, Costa Rica, 2017 and 2018: Use Frequency and Improve Possibilities. 2020.

MLA-viite

Andrés Jiménez, Carmen, ja Gloriana Anchetta Meza. Education Elements in Textbooks At UNED, Costa Rica, 2017 and 2018: Use Frequency and Improve Possibilities. 2020.

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