APA-viite (7. p.)

Roldan, A. S., & Ilano, E. (2008). Introduction to hotel and front office operations. AR Skills Development & Management Services.

Chicago-viite (17. p.)

Roldan, Amelia S., ja Erlinda Ilano. Introduction to Hotel and Front Office Operations. Paranaque: AR Skills Development & Management Services, 2008.

MLA-viite (9. p.)

Roldan, Amelia S., ja Erlinda Ilano. Introduction to Hotel and Front Office Operations. AR Skills Development & Management Services, 2008.