FOS. (1991). Engines: A service, testing, and maintenance guide for engine systems in off-road vehicles, trucks, buses, and automobiles. Illinois: John Deere.
استشهاد بنمط شيكاغوFOS. Engines: A Service, Testing, and Maintenance Guide for Engine Systems in Off-road Vehicles, Trucks, Buses, and Automobiles. Illinois: John Deere, 1991.
MLA استشهادFOS. Engines: A Service, Testing, and Maintenance Guide for Engine Systems in Off-road Vehicles, Trucks, Buses, and Automobiles. Illinois: John Deere, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.