Bierbauer, V. (1937). Hungary from the air. Officina Printers & ublishers.
Cita Chicago Style (17a ed.)Bierbauer, Virgil. Hungary from the Air. Budapest: Officina Printers & ublishers, 1937.
Cita MLA (8a ed.)Bierbauer, Virgil. Hungary from the Air. Officina Printers & ublishers, 1937.
Precaución: Estas citas no son 100% exactas.