Ricard, D. (1976). Farm to retail price spreads for beef in Canada. Commission of Inquiry into the Marketing of Beef and Veal : available from Print. and Pub. Supply and Services Canada.
Lua i Stíl Chicago (17ú heag.)Ricard, Daniel. Farm to Retail Price Spreads for Beef in Canada. Ottawa: Commission of Inquiry into the Marketing of Beef and Veal : available from Print. and Pub. Supply and Services Canada, 1976.
Lua MLA (8ú heag.)Ricard, Daniel. Farm to Retail Price Spreads for Beef in Canada. Commission of Inquiry into the Marketing of Beef and Veal : available from Print. and Pub. Supply and Services Canada, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.