Gaya APA

HS, A, B, W. (2006). Housekeping department floor dan public area : job description & standard operating procedure . Bandung: Alfabeta.

Gaya MLA

HS, Al, Bataafi,, Wishnu. "Housekeping department floor dan public area : job description & standard operating procedure". Bandung: Alfabeta, 2006. BUKU.