Lua APA (7ú heag.)

Opie, R. (1997). The 1930s scrapbook. New Cavendish Books.

Lua i Stíl Chicago (17ú heag.)

Opie, Robert. The 1930s Scrapbook. London: New Cavendish Books, 1997.

Lua MLA (9ú heag.)

Opie, Robert. The 1930s Scrapbook. New Cavendish Books, 1997.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.