Gaya APA

Martin, L, D., Perry, C, J. (2004). PCI Design Handbook : Precast and Prestressed Concrete . United States of America: PRECAST/PRESTRESSED CONCRETE INSTITUTE.

Gaya MLA

Martin, Leslie, D.., Perry, Christopher, J.. "PCI Design Handbook : Precast and Prestressed Concrete". United States of America: PRECAST/PRESTRESSED CONCRETE INSTITUTE, 2004. Electronic Resource.