Maps.com (Firm) & ebrary, Inc. (2000). Great Depression, 1929-1939. Maps.com.
Chicago Style (17th ed.) CitationMaps.com (Firm) and Inc ebrary. Great Depression, 1929-1939. [S.l.]: Maps.com, 2000.
ציטוט MLAMaps.com (Firm) and Inc ebrary. Great Depression, 1929-1939. Maps.com, 2000.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.