Cita APA (7th ed.)

Koch, A. (1959). Restaurants-cafés-bars. Verlagsanstalt.

Cita Chicago (17th ed.)

Koch, Alexander. Restaurants-cafés-bars. Stuttgart: Verlagsanstalt, 1959.

Cita MLA (9th ed.)

Koch, Alexander. Restaurants-cafés-bars. Verlagsanstalt, 1959.