Παραπομπή APA

Pyo, S. (2008). Benchmarks in hospitality and tourism. Jaico.

Παραπομπή Chicago Style

Pyo, Sungsoo. Benchmarks in Hospitality and Tourism. Mumbai: Jaico, 2008.

Παραπομπή MLA

Pyo, Sungsoo. Benchmarks in Hospitality and Tourism. Jaico, 2008.