ASME-ARPEL 2019 International Pipeline Geotechnical Conference. ASME.
Lua i Stíl Chicago (17ú heag.)ASME-ARPEL 2019 International Pipeline Geotechnical Conference. ASME.
Lua MLA (9ú heag.)ASME-ARPEL 2019 International Pipeline Geotechnical Conference. ASME.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.