APA (7e ed.) Bronvermelding

Crawford, D. R. (1981). A practical guide to airplane performance and design. Crawford Aviation.

Chicago (17e ed.) Bronvermelding

Crawford, Donald R. A Practical Guide to Airplane Performance and Design. Torrance: Crawford Aviation, 1981.

MLA (9e ed.) Bronvermelding

Crawford, Donald R. A Practical Guide to Airplane Performance and Design. Crawford Aviation, 1981.