Hackett, R. I. J. (1989). Religion in Calabar: The religious life and history of a Nigerian town. Mouton de Gruyter.
Čikaški stil citiranja (17. izdanje)Hackett, Rosalind I. J. Religion in Calabar: The Religious Life and History of a Nigerian Town. Berlin ; New York: Mouton de Gruyter, 1989.
MLA način citiranja (9. izdanje)Hackett, Rosalind I. J. Religion in Calabar: The Religious Life and History of a Nigerian Town. Mouton de Gruyter, 1989.
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