Root, D., & Irwin, J. (2000). Pennsylvania (First edition.). Fodor''s Travel Publications.
Chicago Style (17th ed.) CitationRoot, Douglas, and Jerry Irwin. Pennsylvania. First edition. Oakland: Fodor''s Travel Publications, 2000.
ציטוט MLARoot, Douglas, and Jerry Irwin. Pennsylvania. First edition. Fodor''s Travel Publications, 2000.
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