APA ציטוט

Santangelo, N., & Valente, E. (2020). Geoheritage and Geotourism Resources. MDPI - Multidisciplinary Digital Publishing Institute.

Chicago Style (17th ed.) Citation

Santangelo, Nicoletta, and Ettore Valente. Geoheritage and Geotourism Resources. Basel, Switzerland: MDPI - Multidisciplinary Digital Publishing Institute, 2020.

ציטוט MLA

Santangelo, Nicoletta, and Ettore Valente. Geoheritage and Geotourism Resources. MDPI - Multidisciplinary Digital Publishing Institute, 2020.