Jackie Gaff. (2003). Stalactites Hang Down: And Other Questions About Caves (I Wonder Why) (I Wonder Why Series). Kingfisher Books.
Chicagoスタイル(17版)引用形式Jackie Gaff. Stalactites Hang Down: And Other Questions About Caves (I Wonder Why) (I Wonder Why Series). Kingfisher Books, 2003.
MLA(9版)引用形式Jackie Gaff. Stalactites Hang Down: And Other Questions About Caves (I Wonder Why) (I Wonder Why Series). Kingfisher Books, 2003.
警告: この引用は必ずしも正確ではありません.