Spielman, William S., editor
RAMPs
Springer, 2012
 eBooks
Tschumi, Bernard, 1944-
Glass ramps/glass wall : deviations from the normative
Architectural Association, 2001
 Buku Teks
Highway Engeneering
 Buku Teks
Wright, Paul H.
Highway engineering
John Wiley & Sons, 2004
 Buku Teks
Oglesby, Clarkson H. (Clarkson Hill), 1908-
Highway engineering
John Wiley & Sons, 1963
 Buku Teks