APA-ийн эшлэл(7 дахь хэвлэлт)

Spruill, M. (2011). Decisions at Gettysburg: The nineteen critical decisions that defined the campaign. University of Tennessee Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Spruill, Matt. Decisions at Gettysburg: The Nineteen Critical Decisions That Defined the Campaign. Knoxville: University of Tennessee Press, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Spruill, Matt. Decisions at Gettysburg: The Nineteen Critical Decisions That Defined the Campaign. University of Tennessee Press, 2011.