Gaya APA
Watt, W, M. (1983).
Islam and Christianity today : a contribution to dialogue / W. Montgomery Watt .
London:
Routlegde \r Kegan Paul.
Gaya MLA
Watt, W., Montgomery.
"Islam and Christianity today : a contribution to dialogue / W. Montgomery Watt".
London:
Routlegde \r Kegan Paul,
1983.
Buku.