APA (7e ed.) Bronvermelding
Gordon, J. E. (1978). Structures or Why things don't fall down. Plenum Pr.
Chicago (17e ed.) Bronvermelding
Gordon, James Edward. Structures or Why Things Don't Fall Down. New York, London: Plenum Pr, 1978.
MLA (9e ed.) Bronvermelding
Gordon, James Edward. Structures or Why Things Don't Fall Down. Plenum Pr, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.