Gaya APA
Roa, Rodriguez F.. (1981).
Some Considerations for Tunnel Design .
:
AA Balkema.
Gaya Chicago
Roa, Rodriguez F..
Some Considerations for Tunnel Design.
:
AA Balkema,
1981.
Computer Software.
Gaya MLA
Roa, Rodriguez F..
Some Considerations for Tunnel Design.
:
AA Balkema,
1981.
Computer Software.
Gaya Turabian
Roa, Rodriguez F..
Some Considerations for Tunnel Design.
:
AA Balkema,
1981.
Computer Software.