Gaya APA

, ., Drummond, K, E. (). Improving employee performance in the foodservice industry a guide ì to employee discipline . New: New York: Van Nostrand Reinhold; 1992.

Gaya MLA

, ., Drummond, Karen, Eich. "Improving employee performance in the foodservice industry a guide ì to employee discipline". New: New York: Van Nostrand Reinhold; 1992, . Text.