APA (7e ed.) Bronvermelding
(1969). Our amazing world of Nature: Its marvels & mysteries. Reader's Digest Association.
Chicago (17e ed.) Bronvermelding
Our Amazing World of Nature: Its Marvels & Mysteries. Pleasantville, N.Y.: Reader's Digest Association, 1969.
MLA (9e ed.) Bronvermelding
Our Amazing World of Nature: Its Marvels & Mysteries. Reader's Digest Association, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.