Não informado. (1972). Progress in Organic Coatings. Elsevier Sequoia.
Lua i Stíl Chicago (17ú heag.)Não informado. Progress in Organic Coatings. Lausanne, Suíça: Elsevier Sequoia, 1972.
Lua MLA (8ú heag.)Não informado. Progress in Organic Coatings. Elsevier Sequoia, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.