University of Maryland, College Park. National Trust for Historic Preservation Library, & Mulligan, A. S. (1992). Index to historic preservation periodicals, 1987-1990: First supplement. G.K. Hall.
Chicago Style (17th ed.) CitationUniversity of Maryland, College Park. National Trust for Historic Preservation Library, and Allison Smith Mulligan. Index to Historic Preservation Periodicals, 1987-1990: First Supplement. Boston, Mass.: G.K. Hall, 1992.
MLA (9th ed.) CitationUniversity of Maryland, College Park. National Trust for Historic Preservation Library, and Allison Smith Mulligan. Index to Historic Preservation Periodicals, 1987-1990: First Supplement. G.K. Hall, 1992.
Warning: These citations may not always be 100% accurate.