APA-ийн эшлэл(7 дахь хэвлэлт)

Widder, K. R. (1999). Battle for the soul: Métis children encounter evangelical Protestants at Mackinaw Mission, 1823-1837. Michigan State University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Widder, Keith R. Battle for the Soul: Métis Children Encounter Evangelical Protestants at Mackinaw Mission, 1823-1837. East Lansing, Mich.: Michigan State University Press, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Widder, Keith R. Battle for the Soul: Métis Children Encounter Evangelical Protestants at Mackinaw Mission, 1823-1837. Michigan State University Press, 1999.