Anwadike, B. C. (2015). Evaluation of the Heavy Metal Contents of Soil and Crops on a Field Treated with Ogun Rock Phosphate and Cowdung Fertilizers.
Čikaški stil citiranja (17. izdanje)Anwadike, Benjamin Chukwumah. Evaluation of the Heavy Metal Contents of Soil and Crops on a Field Treated with Ogun Rock Phosphate and Cowdung Fertilizers. 2015.
MLA način citiranja (9. izdanje)Anwadike, Benjamin Chukwumah. Evaluation of the Heavy Metal Contents of Soil and Crops on a Field Treated with Ogun Rock Phosphate and Cowdung Fertilizers. 2015.
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