Gaya APA

Watt, W, M. (1983). Islam and Christianity today: a contribution to dialogue / W. Montgomery Watt . : Routledge and Kegan Paul.

Gaya MLA

Watt, W., Montgomery. "Islam and Christianity today: a contribution to dialogue / W. Montgomery Watt". : Routledge and Kegan Paul, 1983. Referensi.