APA-viite (7. p.)

Echeruo, M. J. C. An African Diaspora: The Ontological Project / Michael J. C. Echeruo. The African diaspora : African origins and new world identities.(2001).

Chicago-viite (17. p.)

Echeruo, Michael J. C. "An African Diaspora: The Ontological Project / Michael J. C. Echeruo." The African Diaspora : African Origins and New World Identities.(2001) .

MLA-viite (8. p.)

Echeruo, Michael J. C. "An African Diaspora: The Ontological Project / Michael J. C. Echeruo." The African Diaspora : African Origins and New World Identities.(2001), .