Norris, P. E. (1975). About wheat germ: Nature's source of vital vitamins (2nd ed. rev. and reset.). Thorsons.
Lua i Stíl Chicago (17ú heag.)Norris, P. E. About Wheat Germ: Nature's Source of Vital Vitamins. 2nd ed. rev. and reset. Wellingborough, Northamptonshire: Thorsons, 1975.
Lua MLA (8ú heag.)Norris, P. E. About Wheat Germ: Nature's Source of Vital Vitamins. 2nd ed. rev. and reset. Thorsons, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.