Gaya APA
Roeder, O. (1971).
Whos who in Indonesia : Biographies of prominent Indonesian personalities in all fields .
Jakarta:
Gunung Agung.
Gaya MLA
Roeder, O.G..
"Whos who in Indonesia : Biographies of prominent Indonesian personalities in all fields".
Jakarta:
Gunung Agung,
1971.
Text.