Holland, J., & Leslie, D. (2017). Tour operators and operations: Development, management & responsibility. CABI.
Цитирование в стиле Чикаго (17-е изд.)Holland, Jacqueline, и David Leslie. Tour Operators and Operations: Development, Management & Responsibility. Wallingford: CABI, 2017.
Цитирование MLA (8-е изд.)Holland, Jacqueline, и David Leslie. Tour Operators and Operations: Development, Management & Responsibility. CABI, 2017.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.