Sheppard, W. L. (1982). Chemically resistant masonry (2nd ed.). Dekker.
Cita Chicago Style (17a ed.)Sheppard, Walter Lee. Chemically Resistant Masonry. 2nd ed. New York [etc.]: Dekker, 1982.
Cita MLA (9a ed.)Sheppard, Walter Lee. Chemically Resistant Masonry. 2nd ed. Dekker, 1982.
Precaución: Estas citas no son 100% exactas.