APA (7e ed.) Bronvermelding

(1935). Great flights, by C. St. John Sprigg. Illustrated from photographs.

Chicago (17e ed.) Bronvermelding

Great Flights, by C. St. John Sprigg. Illustrated from Photographs. 1935.

MLA (9e ed.) Bronvermelding

Great Flights, by C. St. John Sprigg. Illustrated from Photographs. 1935.

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