Steves, R., & Openshaw, G. (2026). Rick Steves London 2026 (Twenty-sixth edition.). Avalon Travel, Hachette Book Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSteves, Rick, और Gene Openshaw. Rick Steves London 2026. Twenty-sixth edition. Berkeley, CA: Avalon Travel, Hachette Book Group, 2026.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSteves, Rick, और Gene Openshaw. Rick Steves London 2026. Twenty-sixth edition. Avalon Travel, Hachette Book Group, 2026.
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