ECKEL, P. J. (1985). College and university foodservice management standardsvol.6. Avi.
Chicago Style aipamenaECKEL, Peter J. College and University Foodservice Management Standardsvol.6. Westport: Avi, 1985.
MLA aipamenaECKEL, Peter J. College and University Foodservice Management Standardsvol.6. Avi, 1985.
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