(1974). Encyclopedia of world geography: Man and his world today. Octopus.
शिकागो स्टाइल उद्धरणEncyclopedia of World Geography: Man and His World Today. London: Octopus, 1974.
एमएलए उद्धरणEncyclopedia of World Geography: Man and His World Today. Octopus, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.