WATT, W. M. (1968). What is Islam. Longmans.
Chicagoスタイル(17版)引用形式WATT, W. Montgomery. What Is Islam. London: Longmans, 1968.
MLA(9版)引用形式WATT, W. Montgomery. What Is Islam. Longmans, 1968.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式