Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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