Não informado. (1970). Gas Chromatography. PRM Science and Technology Agency.
Lua i Stíl Chicago (17ú heag.)Não informado. Gas Chromatography. London: PRM Science and Technology Agency, 1970.
Lua MLA (8ú heag.)Não informado. Gas Chromatography. PRM Science and Technology Agency, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.