Collins, A. C. The story of america in pictures: With an introduction by claude g.browers (New revised edition.). New york.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Collins, Alan C. The Story of America in Pictures: With an Introduction by Claude G.browers. New revised edition. Garden City: New york.
MLA -ийн эшлэл (9 дэх хэвлэлт)Collins, Alan C. The Story of America in Pictures: With an Introduction by Claude G.browers. New revised edition. New york.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.