APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.