Afonja, A. .. (2019). Materials, Energy and the Environment. Obafemi Awolowo University Press Limited.
Chicago-čujuhus (17. p.)Afonja, Adeniyi .A. Materials, Energy and the Environment. Obafemi Awolowo University Press Limited, 2019.
MLA-čujuhus (9. p.)Afonja, Adeniyi .A. Materials, Energy and the Environment. Obafemi Awolowo University Press Limited, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.