ECKEL, P. J. (1985). College And University Foodservice Management Standars Peter J. Eckel. The Avi Publishing Company.
Chicago-viite (17. p.)ECKEL, Peter J. College And University Foodservice Management Standars Peter J. Eckel. The Avi Publishing Company, 1985.
MLA-viite (8. p.)ECKEL, Peter J. College And University Foodservice Management Standars Peter J. Eckel. The Avi Publishing Company, 1985.
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