Gaya APA
Nafziger, E Wayne. (1990).
The Economics of developing countries (2e).
New Jersey:
Prentice Hall.
Gaya Chicago
Nafziger, E Wayne.
The Economics of developing countries.
2e
New Jersey:
Prentice Hall,
1990.
Buku.
Gaya MLA
Nafziger, E Wayne.
The Economics of developing countries.
2e
New Jersey:
Prentice Hall,
1990.
Buku.
Gaya Turabian
Nafziger, E Wayne.
The Economics of developing countries.
2e
New Jersey:
Prentice Hall,
1990.
Buku.