Kotschevar, L. H. (1988). Quantity food purchasing (3rd ed.). Macmillan.
Chicago Style aipamenaKotschevar, Lendal Henry. Quantity Food Purchasing. 3rd ed. New York: Macmillan, 1988.
MLA aipamenaKotschevar, Lendal Henry. Quantity Food Purchasing. 3rd ed. Macmillan, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.