APA Баримт

United nations. (1992). Guidelines: Development of national parks and protected areas for tourism. UN.

Чикаго маягийн жагсаалт

United nations. Guidelines: Development of National Parks and Protected Areas for Tourism. Madrid: UN, 1992.

MLA ишлэл

United nations. Guidelines: Development of National Parks and Protected Areas for Tourism. UN, 1992.

Warning: These citations may not always be 100% accurate.