APA-ийн эшлэл(7 дахь хэвлэлт)

Roberts, S., & Conway, A. (1961). The Welsh in America: Letters from the immigrants. University of Minnesota Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Roberts, Sarah, ба Alan Conway. The Welsh in America: Letters from the Immigrants. Minneapolis: University of Minnesota Press, 1961.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Roberts, Sarah, ба Alan Conway. The Welsh in America: Letters from the Immigrants. University of Minnesota Press, 1961.