Παραπομπή APA

Liljedahl, J. B. (1996). Tractors and their power units (4th ed.). St. Joseph, MI: American Society of Agricultural Engineers.

Παραπομπή Chicago Style

Liljedahl, John B. Tractors and Their Power Units. 4th ed. St. Joseph, MI: American Society of Agricultural Engineers, 1996.

Παραπομπή MLA

Liljedahl, John B. Tractors and Their Power Units. 4th ed. St. Joseph, MI: American Society of Agricultural Engineers, 1996.

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