Ruben Nalenan, 1942-, author
Gunung Agung, 1981
Buku Teks
Ruben Nalenan, 1942-, author
Gunung Agung, 1981
Buku Teks
Rudolph, Johanna
Berlin Henschaverlag 1955
Buku Teks
Roe, Frederick William
Harcourt, Brace and Company, 1928
Buku Teks
Ribalow, Harold U., author
Twayne, 1945
Buku Teks