(2022). 100 countries, 5,000 ideas: Where to go, when to go, what to see, what to do (Second edition.). National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र100 Countries, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do. Second edition. Washington, D.C.: National Geographic, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्र100 Countries, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do. Second edition. National Geographic, 2022.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.