LaDou, J., & Harrison, R. (2021). Current occupational & environmental medicine (Sixth edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)LaDou, Joseph, agus Robert Harrison. Current Occupational & Environmental Medicine. Sixth edition. New York: McGraw-Hill, 2021.
Lua MLA (8ú heag.)LaDou, Joseph, agus Robert Harrison. Current Occupational & Environmental Medicine. Sixth edition. McGraw-Hill, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.