APA
Hardy P. E., . (1983). A guide to the care and preservation of medieval cathedrals and churches. London: Construction Press.
Chicago
Hardy Paul E, . 1983. A guide to the care and preservation of medieval cathedrals and churches. London: Construction Press.
Harvard
Hardy P. E., . (1983). A guide to the care and preservation of medieval cathedrals and churches. London: Construction Press.
MLA
Hardy Paul E, . A guide to the care and preservation of medieval cathedrals and churches. London: Construction Press. 1983.
