Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.