Sezgin, F., Amawi, M., Carl, E., & Neubauer, E. (1994). Texts and studies on the historical geography and topography of Northern and Eastern Europe. Frankfurt am Main : Institute for the History of Arabic-Islamic Science at the Johann Wolfgang Goethe University.
Chicago-viite (17. p.)Sezgin, Fuat, Mazen Amawi, Ehrig-Eggert Carl, ja Eckhard Neubauer. Texts and Studies on the Historical Geography and Topography of Northern and Eastern Europe. Frankfurt am Main : Institute for the History of Arabic-Islamic Science at the Johann Wolfgang Goethe University, 1994.
MLA-viite (9. p.)Sezgin, Fuat, et al. Texts and Studies on the Historical Geography and Topography of Northern and Eastern Europe. Frankfurt am Main : Institute for the History of Arabic-Islamic Science at the Johann Wolfgang Goethe University, 1994.