Παραπομπή APA

(1969). Switzerland's Scenry - Unlimited Variety in a Nutshell. Lausanne and Zurich: The Swiss Office for the Development of Trade.

Παραπομπή Chicago Style

Switzerland's Scenry - Unlimited Variety in a Nutshell. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.

Παραπομπή MLA

Switzerland's Scenry - Unlimited Variety in a Nutshell. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.

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