Gaya APA
A Society for International Development - Prospectus 1984. (1983).
USA:
DUP.
Gaya Chicago
A Society for International Development - Prospectus 1984.
Kesatu.
USA:
DUP,
1983.
Text.
Gaya MLA
A Society for International Development - Prospectus 1984.
Kesatu.
USA:
DUP,
1983.
Text.
Gaya Turabian
A Society for International Development - Prospectus 1984.
USA:
DUP,
1983.
Print.