OSBORNE, M. P. (1998). MAGIC TREE HOUSE # 13 VACATION UNDER THE VOLCANO. RANDOM HOUSE.
Lua i Stíl Chicago (17ú heag.)OSBORNE, MARY. POPE. MAGIC TREE HOUSE # 13 VACATION UNDER THE VOLCANO. NEW YORK: RANDOM HOUSE, 1998.
Lua MLA (9ú heag.)OSBORNE, MARY. POPE. MAGIC TREE HOUSE # 13 VACATION UNDER THE VOLCANO. RANDOM HOUSE, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.