Steves, R. (2025). Switzerland 2025 (12th edition.). Avalon Travel.
Chicago Style (17th ed.) CitationSteves, Rick. Switzerland 2025. 12th edition. Oakland, CA: Avalon Travel, 2025.
MLA引文Steves, Rick. Switzerland 2025. 12th edition. Avalon Travel, 2025.
警告:這些引文格式不一定是100%准確.