Columbia subject headings:
Andes Region--Economic integration--Bibliography.
Andes Region--Politics and government--Bibliography.
Cartagena Agreement--Bibliography.
Harvard subject headings:
Andes Region--Economic integration--Bibliography.
Andes Region--Politics and government--Bibliography.
Cartagena Agreement--Bibliography.
Princeton subject headings:
Andes Region--Economic integration--Bibliography.
Andes Region--Politics and government--Bibliography.
Cartagena Agreement--Bibliography.