APA
Ridgway J., Ridgway B., . (1994). Catering management handbook. London: Kogan Page Limited.
Chicago
Ridgway Judy, Ridgway Brian, . 1994. Catering management handbook. London: Kogan Page Limited.
Harvard
Ridgway J., Ridgway B., . (1994). Catering management handbook. London: Kogan Page Limited.
MLA
Ridgway Judy, Ridgway Brian, . Catering management handbook. London: Kogan Page Limited. 1994.