Eyo, E., Held, A., & Held, U. (1977). Two thousand years, nigerian art. Federal Dept. of Antiquities.
Chicago-čujuhus (17. p.)Eyo, Ekpo, Andr Held, juo Ursula Held. Two Thousand Years, Nigerian Art. Lagos: Federal Dept. of Antiquities, 1977.
MLA-čujuhus (9. p.)Eyo, Ekpo, et al. Two Thousand Years, Nigerian Art. Federal Dept. of Antiquities, 1977.
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