APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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 -ийн эшлэл (9 дэх хэвлэлт)

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.