Gaya APA
Krishna, Prem. (1991).
Cable bridges .
:
Tata McGraw-Hill.
Gaya Chicago
Krishna, Prem.
Cable bridges.
:
Tata McGraw-Hill,
1991.
Computer Software.
Gaya MLA
Krishna, Prem.
Cable bridges.
:
Tata McGraw-Hill,
1991.
Computer Software.
Gaya Turabian
Krishna, Prem.
Cable bridges.
:
Tata McGraw-Hill,
1991.
Computer Software.