Harper, L. J., & Davis, . S. (1984). Food, nutrition and agriculture: Student workbook. FAO.
Lua i Stíl Chicago (17ú heag.)Harper, Laura Jane, agus Susan Davis. Food, Nutrition and Agriculture: Student Workbook. Rome: FAO, 1984.
Lua MLA (9ú heag.)Harper, Laura Jane, agus Susan Davis. Food, Nutrition and Agriculture: Student Workbook. FAO, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.