sickels taves lauren B. (1999). The use of and need for preservation standards in architec-: Tural conservation (2 ed.). ASTM.
Cita Chicago (17th ed.)sickels taves lauren B. The Use of and Need for Preservation Standards in Architec-: Tural Conservation. 2 ed. West Conshohocken: ASTM, 1999.
Cita MLA (9th ed.)sickels taves lauren B. The Use of and Need for Preservation Standards in Architec-: Tural Conservation. 2 ed. ASTM, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.