Crawford, H. W., McDowell, M. C., & Wilkinson, J. (1976). Metric workbook-foodservice/lodging. Cahners Book International.
Cita Chicago (17th ed.)Crawford, Hollie W., Milton C. McDowell, i Jule Wilkinson. Metric Workbook-foodservice/lodging. Boston: Cahners Book International, 1976.
Cita MLA (9th ed.)Crawford, Hollie W., et al. Metric Workbook-foodservice/lodging. Cahners Book International, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.