Cita APA

Serrano Cañadas, E., & González Trueba, J. J. (2011). Environmental education and landscape leisure. Geotourist map and geomorphosites in the Picos de Europa National Park.

Citación estilo Chicago

Serrano Cañadas, E., y Juan José González Trueba. Environmental Education and Landscape Leisure. Geotourist Map and Geomorphosites in the Picos De Europa National Park. 2011.

Cita MLA

Serrano Cañadas, E., y Juan José González Trueba. Environmental Education and Landscape Leisure. Geotourist Map and Geomorphosites in the Picos De Europa National Park. 2011.