NERO, A. B. (1988). Essential Skills In Geography A Workbook Of Basic Geographics Concepts Ann Briscoe Nero; Editor: Barbara Radner. Rand McNally & Company.
Chicago-referens (17:e uppl.)NERO, Ann Briscoe. Essential Skills In Geography A Workbook Of Basic Geographics Concepts Ann Briscoe Nero; Editor: Barbara Radner. Rand McNally & Company, 1988.
MLA-referens (8:e uppl.)NERO, Ann Briscoe. Essential Skills In Geography A Workbook Of Basic Geographics Concepts Ann Briscoe Nero; Editor: Barbara Radner. Rand McNally & Company, 1988.
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