Roldan, A. S., & Ilano, E. (2008). Introduction to hotel and front office operations. AR Skills Development & Management Services.
Citace podle Chicago (17th ed.)Roldan, Amelia S., a Erlinda Ilano. Introduction to Hotel and Front Office Operations. Paranaque: AR Skills Development & Management Services, 2008.
Citace podle MLA (9th ed.)Roldan, Amelia S., a Erlinda Ilano. Introduction to Hotel and Front Office Operations. AR Skills Development & Management Services, 2008.
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