Παραπομπή σε μορφή APA (7η εκδ.)

Goering, C. E., & Hansen, A. (2004). Engine and tractor power (4th ed.). American society of agricultural engineers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Goering, Carroll E., και A. Hansen. Engine and Tractor Power. 4th ed. St. Joseph, Mich: American society of agricultural engineers, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Goering, Carroll E., και A. Hansen. Engine and Tractor Power. 4th ed. American society of agricultural engineers, 2004.