APA-čujuhus (7. p.)

Ogedengbe, M. O. (2019). Nigeria’s water-supply nightmare. Obafemi Awolowo University Press.

Chicago-čujuhus (17. p.)

Ogedengbe, M. O. Nigeria’s Water-supply Nightmare. Obafemi Awolowo University Press, 2019.

MLA-čujuhus (9. p.)

Ogedengbe, M. O. Nigeria’s Water-supply Nightmare. Obafemi Awolowo University Press, 2019.

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