APA-viite

Polacco, J. C. (2011). Ecological aspects of nitrogen metabolism in plants. Wiley-black well.

Chicago-tyylinen lähdeviittaus

Polacco, Joe C. Ecological Aspects of Nitrogen Metabolism in Plants. Sussex: Wiley-black well, 2011.

MLA-viite

Polacco, Joe C. Ecological Aspects of Nitrogen Metabolism in Plants. Wiley-black well, 2011.