Keyes, L. S. (1951). Federal Control of Entry into air Transportation. Harvard University press.
Cita Chicago Style (17a ed.)Keyes, Lucile Sheppard. Federal Control of Entry into Air Transportation. Cambridge: Harvard University press, 1951.
Cita MLA (9a ed.)Keyes, Lucile Sheppard. Federal Control of Entry into Air Transportation. Harvard University press, 1951.
Precaución: Estas citas no son 100% exactas.