Gaya APA
Schmidgall, R, S. (1990).
Hospitality industry managerial accounting (2nd ed.).
Michigan:
The Educational Institute of the American Hotel & Motel Association.
Gaya MLA
Schmidgall, Raymond, S..
"Hospitality industry managerial accounting".
2nd ed.
Michigan:
The Educational Institute of the American Hotel & Motel Association,
1990.
BUKU.