SITTIG, M. POLYACETAL RESINS.
Lua i Stíl Chicago (17ú heag.)SITTIG, MARSHALL. POLYACETAL RESINS. GULF, 1963.
Lua MLA (8ú heag.)SITTIG, MARSHALL. POLYACETAL RESINS.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)