APA-referens

Federic, J. H. (1961). Commercial air transportation/5e (5th ed.). Richard D Irwin.

Chicago-stil citat

Federic, John H. Commercial Air Transportation/5e. 5th ed. Illinois: Richard D Irwin, 1961.

MLA-referens

Federic, John H. Commercial Air Transportation/5e. 5th ed. Richard D Irwin, 1961.