Hackett, R. I. J. (1989). Religion in Calabar: The religious life and history of a Nigerian town. Mouton de Gruyter.
Citazione stile Chigago Style (17a edizione)Hackett, Rosalind I. J. Religion in Calabar: The Religious Life and History of a Nigerian Town. Berlin ; New York: Mouton de Gruyter, 1989.
Citatione MLA (9a ed.)Hackett, Rosalind I. J. Religion in Calabar: The Religious Life and History of a Nigerian Town. Mouton de Gruyter, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.