APA-ийн эшлэл(7 дахь хэвлэлт)

Sobin, G. (2009). Ladder of shadows: Reflecting on medieval vestige in Provence and Languedoc. University of California Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Sobin, Gustaf. Ladder of Shadows: Reflecting on Medieval Vestige in Provence and Languedoc. Berkeley: University of California Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Sobin, Gustaf. Ladder of Shadows: Reflecting on Medieval Vestige in Provence and Languedoc. University of California Press, 2009.