RAJU N KRISHNA. (2012). PRESTRESSED CONCRETE (5TH ED.). MCGRAW HILL EDUCATION PVT LTD.
Chicago-viite (17. p.)RAJU N KRISHNA. PRESTRESSED CONCRETE. 5TH ED. NEW DELHI: MCGRAW HILL EDUCATION PVT LTD, 2012.
MLA-viite (9. p.)RAJU N KRISHNA. PRESTRESSED CONCRETE. 5TH ED. MCGRAW HILL EDUCATION PVT LTD, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.