Day, Robert W.
Geotechnical engineer's portable handbook
McGraw-Hill, 2012
 Buku Teks
Day, Robert W.
Geotechnical earthquake engineering handbook
McGraw-Hill, 2002
 Buku Referensi
Dewberry and Davis
Land development handbook : planning, engineering, and surveying
McGraw-Hil, 1996
 Buku Referensi
Dewberry and Davis
Land development handbook : planning, engineering, and surveying
McGraw-Hill, 1996
 Buku Referensi
Carvill, J.
Mechanical engineer's data handbook
Butterworth-Heinemann Ltd., 1993
 Buku Referensi