(1969). Switzerland's Scenry - Unlimited Variety in a Nutshell. Lausanne and Zurich: The Swiss Office for the Development of Trade.
शिकागो स्टाइल उद्धरणSwitzerland's Scenry - Unlimited Variety in a Nutshell. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.
एमएलए उद्धरणSwitzerland's Scenry - Unlimited Variety in a Nutshell. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.