BLASHFIELD, J. &. B. (1991). OIL SPILLS. CHILDRENS PRESS.
Lua i Stíl Chicago (17ú heag.)BLASHFIELD, JEAN.F & BLACK. OIL SPILLS. USA: CHILDRENS PRESS, 1991.
Lua MLA (9ú heag.)BLASHFIELD, JEAN.F & BLACK. OIL SPILLS. CHILDRENS PRESS, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.