Cooray, P. G. (2019). The geological sciences in the service of Nigeria. Obafemi Awolowo University Press Limited.
Cita Chicago (17th ed.)Cooray, P. G. The Geological Sciences in the Service of Nigeria. Obafemi Awolowo University Press Limited, 2019.
Cita MLA (9th ed.)Cooray, P. G. The Geological Sciences in the Service of Nigeria. Obafemi Awolowo University Press Limited, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.