Não informado. (1938). The Paper Industry and Paper World. [s.n.].
Lua i Stíl Chicago (17ú heag.)Não informado. The Paper Industry and Paper World. Chicago, Ill: [s.n.], 1938.
Lua MLA (8ú heag.)Não informado. The Paper Industry and Paper World. [s.n.], 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.