Gairdner, W. H. T. (1909). The reproach of Islam (2nd ed.). Student Volunteer Missionary Union.
Citazione stile Chigago Style (17a edizione)Gairdner, W. H. T. The Reproach of Islam. 2nd ed. London: Student Volunteer Missionary Union, 1909.
Citatione MLA (9a ed.)Gairdner, W. H. T. The Reproach of Islam. 2nd ed. Student Volunteer Missionary Union, 1909.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.