(2011). GATE 2012: Civil engineering. Koncept books.
Chicago Stili AlıntıGATE 2012: Civil Engineering. Dehradun: Koncept books, 2011.
MLA AlıntıGATE 2012: Civil Engineering. Koncept books, 2011.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(2011). GATE 2012: Civil engineering. Koncept books.
Chicago Stili AlıntıGATE 2012: Civil Engineering. Dehradun: Koncept books, 2011.
MLA AlıntıGATE 2012: Civil Engineering. Koncept books, 2011.