ECKEL, P. J. (1985). College And University Foodservice Management Standars Peter J. Eckel. The Avi Publishing Company.
Chicago Style aipamenaECKEL, Peter J. College And University Foodservice Management Standars Peter J. Eckel. The Avi Publishing Company, 1985.
MLA aipamenaECKEL, Peter J. College And University Foodservice Management Standars Peter J. Eckel. The Avi Publishing Company, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.