Cita APA (7a ed.)

Frolova, E. A. (2019). Trends and problems of development of the world tourism. Publishing House of the State University of Management.

Cita Chicago Style (17a ed.)

Frolova, E. A. Trends and Problems of Development of the World Tourism. Publishing House of the State University of Management, 2019.

Cita MLA (8a ed.)

Frolova, E. A. Trends and Problems of Development of the World Tourism. Publishing House of the State University of Management, 2019.