PARKER, B. M. (1959). The golden book encyclopedia: Vol xii-paricutin to quicksand. Golden Press.
Lua i Stíl Chicago (17ú heag.)PARKER, Bertha Morris. The Golden Book Encyclopedia: Vol Xii-paricutin to Quicksand. Golden Press, 1959.
Lua MLA (9ú heag.)PARKER, Bertha Morris. The Golden Book Encyclopedia: Vol Xii-paricutin to Quicksand. Golden Press, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.