Gaya APA
NORENG,Ystein. (1980).
Oil Politics In The 1980s : Patterns Of International Cooperation .
New York:
McGraw - Hill Book Company.
Gaya Chicago
NORENG,Ystein.
Oil Politics In The 1980s : Patterns Of International Cooperation.
New York:
McGraw - Hill Book Company,
1980.
Teks.
Gaya MLA
NORENG,Ystein.
Oil Politics In The 1980s : Patterns Of International Cooperation.
New York:
McGraw - Hill Book Company,
1980.
Teks.
Gaya Turabian
NORENG,Ystein.
Oil Politics In The 1980s : Patterns Of International Cooperation.
New York:
McGraw - Hill Book Company,
1980.
Teks.