APA Style
OPEC Buletin edisi Oktobber Vol 10 2020. (2020).
Vienna, Austria:
Opec.
Chicago Style
OPEC Buletin edisi Oktobber Vol 10 2020.
.
Vienna, Austria:
Opec,
2020.
Buletin.
MLA Style
OPEC Buletin edisi Oktobber Vol 10 2020.
.
Vienna, Austria:
Opec,
2020.
Buletin.
Turabian Style
OPEC Buletin edisi Oktobber Vol 10 2020.
Vienna, Austria:
Opec,
2020.
Buletin.