Παραπομπή APA

Arias Zapata, A., Coto Arce, K. V., Villalobos Herrera, D., & Ortiz Ureña, A. (2018). Patterns of drug usage in a representative sample of students and teachers at University of Costa Rica in 2017.

Παραπομπή Chicago Style

Arias Zapata, Andrés, Karla Vanessa Coto Arce, Daniela Villalobos Herrera, και Angie Ortiz Ureña. Patterns of Drug Usage in a Representative Sample of Students and Teachers At University of Costa Rica in 2017. 2018.

Παραπομπή MLA

Arias Zapata, Andrés, Karla Vanessa Coto Arce, Daniela Villalobos Herrera, και Angie Ortiz Ureña. Patterns of Drug Usage in a Representative Sample of Students and Teachers At University of Costa Rica in 2017. 2018.

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