APA
(2000). Corrugated plastic ducts for internal bonded post-tensioning. Lausanne: International Federation for Structural concrete (fib).
Chicago
2000. Corrugated plastic ducts for internal bonded post-tensioning. Lausanne: International Federation for Structural concrete (fib).
Harvard
(2000). Corrugated plastic ducts for internal bonded post-tensioning. Lausanne: International Federation for Structural concrete (fib).
MLA
Corrugated plastic ducts for internal bonded post-tensioning. Lausanne: International Federation for Structural concrete (fib). 2000.