Akanni, M. (2019). Carbon: The tool of the gods. Obafemi Awolowo University Press.
Čikaški stil citiranja (17. izdanje)Akanni, M.S. Carbon: The Tool of the Gods. Obafemi Awolowo University Press, 2019.
MLA način citiranja (9. izdanje)Akanni, M.S. Carbon: The Tool of the Gods. Obafemi Awolowo University Press, 2019.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.