APA-čujuhus (7. p.)
Verwer, G. (1990). The challenge of Islam in South Asia. Operation Mobilisation.
Chicago-čujuhus (17. p.)
Verwer, George. The Challenge of Islam in South Asia. Belgium: Operation Mobilisation, 1990.
MLA-čujuhus (9. p.)
Verwer, George. The Challenge of Islam in South Asia. Operation Mobilisation, 1990.
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