APA (7 ম সংস্করণ) উদ্ধৃতি

Jackie Gaff. (2003). Stalactites Hang Down: And Other Questions About Caves (I Wonder Why) (I Wonder Why Series). Kingfisher Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Jackie Gaff. Stalactites Hang Down: And Other Questions About Caves (I Wonder Why) (I Wonder Why Series). Kingfisher Books, 2003.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Jackie Gaff. Stalactites Hang Down: And Other Questions About Caves (I Wonder Why) (I Wonder Why Series). Kingfisher Books, 2003.