Weight Watchers International. (2009). Weight watchers in 20 minutes: 250 fresh, fast recipes. John Wiley and Sons, Inc..
Cita Chicago Style (17a ed.)Weight Watchers International. Weight Watchers in 20 Minutes: 250 Fresh, Fast Recipes. Hoboken, NJ: John Wiley and Sons, Inc., 2009.
Cita MLA (8a ed.)Weight Watchers International. Weight Watchers in 20 Minutes: 250 Fresh, Fast Recipes. John Wiley and Sons, Inc., 2009.
Precaución: Estas citas no son 100% exactas.