Starch INRA Hooper (Firm) & United States Travel Service. Research and Analysis Division. Belgium: A study of the international travel market. The Division, c1978.
Цитирование в стиле Чикаго (17-е изд.)Starch INRA Hooper (Firm) и United States Travel Service. Research and Analysis Division. Belgium: A Study of the International Travel Market. [Washington: The Division, c1978.
Цитирование MLA (9-е изд.)Starch INRA Hooper (Firm) и United States Travel Service. Research and Analysis Division. Belgium: A Study of the International Travel Market. The Division, c1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.