Brewer, Richard
Saunders College Publishing, 1982
Buku Referensi
Garbutt, John
John Wiley & Sons, 1995
Buku Referensi
edited by F. Pacheco-Torgal ... [et al.]
Woodhead, 2013
eBooks
Paul L. Magill, Francis R. Holden, Charles Ackley, editor; Frederick G. Sawyer, editorial consultant
McGraw-Hill, 1956
Buku Referensi
edited by David R. Patrick
Van Nostrand Reinhold, 1994
Buku Referensi