Andrews, S. (2017). Hotel Housekeeping Management & Operations (1st.). McGraw Hill.
Chicago-viite (17. p.)Andrews, Sudhir. Hotel Housekeeping Management & Operations. 1st. McGraw Hill, 2017.
MLA-viite (9. p.)Andrews, Sudhir. Hotel Housekeeping Management & Operations. 1st. McGraw Hill, 2017.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.