APA
Longree K., . (1971). Sanitary techniques in food service. New York: .
Chicago
Longree Karla, . 1971. Sanitary techniques in food service. New York: .
Harvard
Longree K., . (1971). Sanitary techniques in food service. New York: .
MLA
Longree Karla, . Sanitary techniques in food service. New York: . 1971.