Gaya APA
Leppmann, Joachim F.. (1968).
Bridge Engineering .
:
McGraw Hill.
Gaya Chicago
Leppmann, Joachim F..
Bridge Engineering.
:
McGraw Hill,
1968.
Globe.
Gaya MLA
Leppmann, Joachim F..
Bridge Engineering.
:
McGraw Hill,
1968.
Globe.
Gaya Turabian
Leppmann, Joachim F..
Bridge Engineering.
:
McGraw Hill,
1968.
Globe.