Bach, George Leland
Economics an introduction to analysis and policy
Prentice-Hall, 1968
 Buku Teks
Bach, George Leland
Economics an introduction to analysis and policy
Prentice-Hall, 1960
 Buku Teks
Bach, George Leland
Economics an introduction to analysis and policy
Prentice-Hall, 1956
 Buku Teks
Bach, George Leland
Economics an introduction to analysis and policy
Prentice-Hall, 1980
 Buku Teks
Bach, George Leland
Economics an introduction to analysis and policy
Prentice Hall of India, 1977
 Buku Teks