Gaya APA

al.], S, Z, [. (2015). A comparison of energy use and productivity of wheat and barley (case study) ((2015) 14). : King Saud University.

Gaya MLA

al.], S.M., Ziaei, [et. "A comparison of energy use and productivity of wheat and barley (case study)". (2015) 14 : King Saud University, 2015. e-journal.