COURTENAY L A. SPACE PENGUINS: STAR ATTACK (2015.). PARRAGON BOOK PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)COURTENAY L A. SPACE PENGUINS: STAR ATTACK. 2015. MINNESOTA: PARRAGON BOOK PUBLISHING HOUSE.
Lua MLA (9ú heag.)COURTENAY L A. SPACE PENGUINS: STAR ATTACK. 2015. PARRAGON BOOK PUBLISHING HOUSE.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.