Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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