APA-ийн эшлэл(7 дахь хэвлэлт)
Berns, W. (2010). Lincoln at two hundred: Why we still read the sixteenth president. AEI Press ; Distributed to the trade by National Book Network.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Berns, Walter. Lincoln at Two Hundred: Why We Still Read the Sixteenth President. Washington, D.C. : Blue Ridge Summit, Pa.: AEI Press ; Distributed to the trade by National Book Network, 2010.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Berns, Walter. Lincoln at Two Hundred: Why We Still Read the Sixteenth President. AEI Press ; Distributed to the trade by National Book Network, 2010.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.