APA (7e ed.) Bronvermelding

Natale, E., Astudillo, C., & Oggero, A. J. (2017). Monitoring of environmental education program in urban nature reserve "Bosque Autóctono El Espinal". Universidad de Costa Rica.

Chicago (17e ed.) Bronvermelding

Natale, Evangelina, Carola Astudillo, en Antonia Josefina Oggero. Monitoring of Environmental Education Program in Urban Nature Reserve "Bosque Autóctono El Espinal". Universidad de Costa Rica, 2017.

MLA (9e ed.) Bronvermelding

Natale, Evangelina, et al. Monitoring of Environmental Education Program in Urban Nature Reserve "Bosque Autóctono El Espinal". Universidad de Costa Rica, 2017.