Gaya APA

Martin, R, C, (, C., MacRae, R, J. (2014). Managing energy, nutrients, and pests in organic field crops . flu: Taylor & Francis Group.

Gaya MLA

Martin, Ralph, C., (Ralph, Cameron)., MacRae, Roderick, John.. "Managing energy, nutrients, and pests in organic field crops". flu: Taylor & Francis Group, 2014. E Book.