Gaya APA
Sampson, A. (1985).
THE SEVEN SISTER; The Great Oil Companies and The World They Made .
Great Britain:
CORONET BOOKS HODDER AND STOUGHTON.
Gaya MLA
Sampson, Anthony.
"THE SEVEN SISTER; The Great Oil Companies and The World They Made".
Great Britain:
CORONET BOOKS HODDER AND STOUGHTON,
1985.
Text.