Gretes, F. C. (1986). Directory of international periodicals and newsletters on the built environment. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Gretes, Frances C. Directory of International Periodicals and Newsletters on the Built Environment. New York: Van Nostrand Reinhold, 1986.
Lua MLA (9ú heag.)Gretes, Frances C. Directory of International Periodicals and Newsletters on the Built Environment. Van Nostrand Reinhold, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.