Verner, M. (1973). Some Nubian petroglyphs on Czechoslovak concessions: Rock drawings of (I) foot and sandal prints, (II) symbols and signs, and (III) erotica from Czechoslovak concessions in Nubia. Praha: Universita Karlova.
استشهاد بنمط شيكاغوVerner, Miroslav. Some Nubian Petroglyphs On Czechoslovak Concessions: Rock Drawings of (I) Foot and Sandal Prints, (II) Symbols and Signs, and (III) Erotica From Czechoslovak Concessions in Nubia. Praha: Universita Karlova, 1973.
MLA استشهادVerner, Miroslav. Some Nubian Petroglyphs On Czechoslovak Concessions: Rock Drawings of (I) Foot and Sandal Prints, (II) Symbols and Signs, and (III) Erotica From Czechoslovak Concessions in Nubia. Praha: Universita Karlova, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.