MACDONALD, O. (1951). Small sewage disposal systems: With special referenceto the tropics. H.K. Lewis.
Lua i Stíl Chicago (17ú heag.)MACDONALD, O.J.S. Small Sewage Disposal Systems: With Special Referenceto the Tropics. London: H.K. Lewis, 1951.
Lua MLA (9ú heag.)MACDONALD, O.J.S. Small Sewage Disposal Systems: With Special Referenceto the Tropics. H.K. Lewis, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.