McDougal littell & McDougal littell. World Geography: Reading study guide. McDougal littell.
Chicago Style (17th ed.) CitationMcDougal littell and McDougal littell. World Geography: Reading Study Guide. Evanston, Illinois: McDougal littell.
MLA (9th ed.) CitationMcDougal littell and McDougal littell. World Geography: Reading Study Guide. McDougal littell.
Warning: These citations may not always be 100% accurate.