Birkby, J. (2021). Touring hot springs Washington and Oregon: The states' best resorts and rustic soaks (Third edition.). Falcon Guides.
Cita Chicago Style (17a ed.)Birkby, Jeff. Touring Hot Springs Washington and Oregon: The States' Best Resorts and Rustic Soaks. Third edition. Guilford, Connecticut: Falcon Guides, 2021.
Cita MLA (8a ed.)Birkby, Jeff. Touring Hot Springs Washington and Oregon: The States' Best Resorts and Rustic Soaks. Third edition. Falcon Guides, 2021.
Precaución: Estas citas no son 100% exactas.