Ali Moertopo, author
BAKIN, 1976
Buku Teks
Pak, I-mun, author
Seoul National University Press, 2012
Buku Teks
Cressey, George Babcock, 1896-1963, author
McGraw-Hill, 1951
Buku Teks
Cressey, George Babcock, 1896-1963, author
Whittlesey house, McGraw-Hill book company inc., 1944
Buku Teks
Cressey, George Babcock, 1896-1963, author
McGraw-Hill, 1951
Buku Teks