Gaya APA

al.], A, L, [. (2013). Extreme Grain-Based Cropping Systems: When Herbicide-Free Weed Management Meets Conservation Tillage in Northern Climates (27, January–March 2013). New York: Weed Science Society America.

Gaya MLA

al.], Anne, Le´g`ere, [et. "Extreme Grain-Based Cropping Systems: When Herbicide-Free Weed Management Meets Conservation Tillage in Northern Climates". 27, January–March 2013 New York: Weed Science Society America, 2013. e-journal.