Gaya APA

Lowenfels, J. (2013). Teaming With nutrients: the organic gardener's guide to optimizing plant nutrition (Edisi Kelima). Oregon: Timber Press.

Gaya MLA

Lowenfels, Jeff. "Teaming With nutrients: the organic gardener's guide to optimizing plant nutrition". Edisi Kelima Oregon: Timber Press, 2013. Text.