Steves, R. (2023). Switzerland (11th edition.). Avalon Travel, Hachette Book Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSteves, Rick. Switzerland. 11th edition. Berkeley, CA: Avalon Travel, Hachette Book Group, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSteves, Rick. Switzerland. 11th edition. Avalon Travel, Hachette Book Group, 2023.
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