(1990). Discover America package tour handbook: A basic guide for the development and marketing of pre-planned domestic packaged travel. Travel Industry Association of America.
Цитирование в стиле Чикаго (17-е изд.)Discover America Package Tour Handbook: A Basic Guide for the Development and Marketing of Pre-planned Domestic Packaged Travel. Washington, D.C: Travel Industry Association of America, 1990.
Цитирование MLA (9-е изд.)Discover America Package Tour Handbook: A Basic Guide for the Development and Marketing of Pre-planned Domestic Packaged Travel. Travel Industry Association of America, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.