Bibliografi : hlm. 488-509
Bibliografi : hlm. 107 - 108
Bibliografi : hlm. 173 - 174
No Inv.: 131238/PH/Perp/12/1c~134929/SM/Perp/13/1c~135290,135291/SM/Perp/13/2c
Judul asli : Prestressed concrete, third edition
No Inv.: 4406-4415/P/Perp/92/10c~1706-1707/S/Perp/91/2c~1202-1204/P/Perp/92/3c~78091/S/01/1c
No Inv.: 4871-4872/P/00/2c