Gaya APA
Etiang, P.O.. (1977).
Highway development and international co-operation .
:
IRF.
Gaya Chicago
Etiang, P.O..
Highway development and international co-operation.
:
IRF,
1977.
Computer Software.
Gaya MLA
Etiang, P.O..
Highway development and international co-operation.
:
IRF,
1977.
Computer Software.
Gaya Turabian
Etiang, P.O..
Highway development and international co-operation.
:
IRF,
1977.
Computer Software.