Annett, F. A. (1960). Elevators: Electric and electrohydraulic elevators, escalators, moving sidewalks and ramps. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Annett, F. A. Elevators: Electric and Electrohydraulic Elevators, Escalators, Moving Sidewalks and Ramps. Nueva York: McGraw-Hill, 1960.
Citatione MLA (9a ed.)Annett, F. A. Elevators: Electric and Electrohydraulic Elevators, Escalators, Moving Sidewalks and Ramps. McGraw-Hill, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.