Martin, W. B. (1987). The restaurant server's guide to quality customer service. Crisp Pub.
Citazione stile Chigago Style (17a edizione)Martin, William B. The Restaurant Server's Guide to Quality Customer Service. Menlo Park, Calif: Crisp Pub, 1987.
Citatione MLA (9a ed.)Martin, William B. The Restaurant Server's Guide to Quality Customer Service. Crisp Pub, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.