APA Style

HARYADI, ., SUGIARTO, E. (1997). Manajemen Kantor Depan Hotel (Hotel Front Office Management) (1). Jakarta: Gramedia Pustaka Utama.

MLA Style

HARYADI, ., SUGIARTO, ENDAR. "Manajemen Kantor Depan Hotel (Hotel Front Office Management)". 1 Jakarta: Gramedia Pustaka Utama, 1997. Text.