APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

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 (9e ed.) Bronvermelding

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.