Lowenfels, J.(2013).Teaming with nutrients: the organic gardener's guide to optimizing plant nutrition (-).(4) Organisasi Perusahaan: Teo:Andika Aria Sakti.
Gaya MLA
Lowenfels, J..Teaming with nutrients: the organic gardener's guide to optimizing plant nutrition.-(4) Organisasi Perusahaan: Teo:Andika Aria Sakti,2013.Text.