Gaya APA

Swanson, C, P., Silverstone, R. (NULL). Healthy eating a guide for chefs and caterers . London:: London: Manmillan; 1990.

Gaya MLA

Swanson, Carl, P.., Silverstone, Rob. "Healthy eating a guide for chefs and caterers". London:: London: Manmillan; 1990, NULL. Text.