Donev, S. (2000). From Roman roads to Railroad tracks. New York: McGraw-Hill School Division.
Chicago-tyylinen lähdeviittausDonev, Stef. From Roman Roads to Railroad Tracks. New York: McGraw-Hill School Division, 2000.
MLA-viiteDonev, Stef. From Roman Roads to Railroad Tracks. New York: McGraw-Hill School Division, 2000.
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