Gaya APA
Martinez, Anibal R. (1989).
Venezulan oil development and chronology .
London:
Elseiver.
Gaya Chicago
Martinez, Anibal R.
Venezulan oil development and chronology.
London:
Elseiver,
1989.
Text.
Gaya MLA
Martinez, Anibal R.
Venezulan oil development and chronology.
London:
Elseiver,
1989.
Text.
Gaya Turabian
Martinez, Anibal R.
Venezulan oil development and chronology.
London:
Elseiver,
1989.
Print.