Walther, G. (2000). Laurophyllisation in Switzerland.
Cita Chicago Style (17a ed.)Walther, Gian-Reto. Laurophyllisation in Switzerland. 2000.
Cita MLA (8a ed.)Walther, Gian-Reto. Laurophyllisation in Switzerland. 2000.
Precaución: Estas citas no son 100% exactas.