APA (7e ed.) Bronvermelding

SALVADORI, M. Building The Fights Against Gravity. s.n.

Chicago (17e ed.) Bronvermelding

SALVADORI, Mario. Building The Fights Against Gravity. s.n.

MLA (8e ed.) Bronvermelding

SALVADORI, Mario. Building The Fights Against Gravity. s.n.

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