Não informado. (2000). International Maritime Health. Institute of Maritime and Tropical Medicine in Gdynia.
Lua i Stíl Chicago (17ú heag.)Não informado. International Maritime Health. Gdynia, Polonia: Institute of Maritime and Tropical Medicine in Gdynia, 2000.
Lua MLA (8ú heag.)Não informado. International Maritime Health. Institute of Maritime and Tropical Medicine in Gdynia, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.