Gaya APA
Diwiryo, Ruslan. (1977).
Road research program in Indonesia - an approach for developing countries .
:
IRF.
Gaya Chicago
Diwiryo, Ruslan.
Road research program in Indonesia - an approach for developing countries.
:
IRF,
1977.
Computer Software.
Gaya MLA
Diwiryo, Ruslan.
Road research program in Indonesia - an approach for developing countries.
:
IRF,
1977.
Computer Software.
Gaya Turabian
Diwiryo, Ruslan.
Road research program in Indonesia - an approach for developing countries.
:
IRF,
1977.
Computer Software.