[publisher not identified], 1970
Buku Teks
Leslie D. "Doc" Long, Clifford Gordon, Charles F. Peck, Jack R. Benjamin
McGraw-Hill, 1982
Buku Referensi
Friedbert Kind-Barkauskas, Architect Bundesverbend, Deutnchens Zementidustrie, Cologne
Birkhauser, 2002
Buku Referensi
ICBO, 2000
Buku Referensi
Moser, A. P., author
McGraw-Hill, 2001
Buku Teks