Okafor, G. M. (1994). Christians and muslims in Cameroon. Echter.
芝加哥风格引文Okafor, Gabriel Maduka. Christians and Muslims in Cameroon. Cameroon: Echter, 1994.
MLA引文Okafor, Gabriel Maduka. Christians and Muslims in Cameroon. Echter, 1994.
警告：这些引文格式不一定是100％准确.