Não informado. (2020). The Marine Engineer. Whitehall Technical Press.
Lua i Stíl Chicago (17ú heag.)Não informado. The Marine Engineer. London: Whitehall Technical Press, 2020.
Lua MLA (8ú heag.)Não informado. The Marine Engineer. Whitehall Technical Press, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.