Ako-Nai, K. A. (2019). Counterforce nature's design. Obafemi Awolowo University Press.
Čikaški stil citiranja (17. izdanje)Ako-Nai, Kwashie Ajibade. Counterforce Nature's Design. Obafemi Awolowo University Press, 2019.
MLA način citiranja (9. izdanje)Ako-Nai, Kwashie Ajibade. Counterforce Nature's Design. Obafemi Awolowo University Press, 2019.
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