Friedrich, Klaus
International economics
McGraw-Hill Kogakusha, 1974
Buku Teks
International economics
Buku Teks
Salvatore, Dominick
International economics
Prentice-Hall, 1998
Buku Teks SO
Salvatore, Dominick
International economics
Macmillan, 1993
Buku Teks SO
Salvatore, Dominick
International economics
Prentice-Hall, 1998
Buku Teks SO