Hafertepe. A Guide to the Historic Buildings of Fredericksburg and Gillespie County. Texas A&M University Press.
Chicago-viite (17. p.)Hafertepe. A Guide to the Historic Buildings of Fredericksburg and Gillespie County. Texas A&M University Press.
MLA-viite (8. p.)Hafertepe. A Guide to the Historic Buildings of Fredericksburg and Gillespie County. Texas A&M University Press.
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