Gaya APA

al.], E, L, [. (2015). Repair cost of tractors and agricultural machines in family farms (7 (2015)). : Elsevier.

Gaya MLA

al.], Edmund, Lorencowicz, [et. "Repair cost of tractors and agricultural machines in family farms". 7 (2015) : Elsevier, 2015. e-journal.