Cowan, Henry J.
Enviromental system / Henry J. Cowan, Peter R. Smith
Van Nostrand Reinhold Company, 1983
 Buku Teks
Environmental anaerobic technology applications and new developments
editor, Herbert H.P. Fang
Imperial College Press, 2010
 Buku Teks
Comercial building design : integrating climate, comfort and cost / Burt Hill Kosar Rittelmann Associates; Min Kantrowitz Associates
Van Nostrand Reinhold Co., 1987
 Buku Teks
China's early empires : a re-appraisal
edited by Michael Nylan, Michael Loewe
Cambridge University Press, 2010
 Buku Teks
Developments in hydraulic engineering-1
edited by P. Novak
Applied Science, 1983
 Buku Teks