APA-ийн эшлэл(7 дахь хэвлэлт)

Godbeer, R. (2019). World of trouble: A Philadelphia Quaker family's journey through the American Revolution. Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Godbeer, Richard. World of Trouble: A Philadelphia Quaker Family's Journey Through the American Revolution. New Haven: Yale University Press, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Godbeer, Richard. World of Trouble: A Philadelphia Quaker Family's Journey Through the American Revolution. Yale University Press, 2019.