Roome, W. J. W. (1920). The Border Marches of Islam: From the Red Sea to the Gulf of Guinea. The Muslim world, 10(3), 220-240. doi:10.1111/j.1478-1913.1920.tb01810.x
Citazione stile Chigago Style (17a edizione)Roome, Wm. J. W. "The Border Marches of Islam: From the Red Sea to the Gulf of Guinea." The Muslim World 10, no. 3 (1920): 220-240, https://doi.org/10.1111/j.1478-1913.1920.tb01810.x.
Citatione MLA (9a ed.)Roome, Wm. J. W. "The Border Marches of Islam: From the Red Sea to the Gulf of Guinea." The Muslim World, vol. 10, no. 3, 1920, pp. 220-240, https://doi.org/10.1111/j.1478-1913.1920.tb01810.x.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
