Gaya APA

NORTHUP, E, J, M. (2008). Housekeeping hotel : problem solving & terminologi . Yogyakarta: Gramedia Pustaka Utama.

Gaya MLA

NORTHUP, EIDE, JENISIN, MASHAW. "Housekeeping hotel : problem solving & terminologi". Yogyakarta: Gramedia Pustaka Utama, 2008. Text.