Khalifa, R. (1981). The computer speaks: God's message to the world. Renaissance Productions International.
Citazione stile Chigago Style (17a edizione)Khalifa, Rashad. The Computer Speaks: God's Message to the World. Tucson, Ariz: Renaissance Productions International, 1981.
Citatione MLA (9a ed.)Khalifa, Rashad. The Computer Speaks: God's Message to the World. Renaissance Productions International, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.