APA Style
OPEC Buletin Edisi February - Maret 2021. (2021).
Vienna, Austria:
Opec.
Chicago Style
OPEC Buletin Edisi February - Maret 2021.
.
Vienna, Austria:
Opec,
2021.
Buletin.
MLA Style
OPEC Buletin Edisi February - Maret 2021.
.
Vienna, Austria:
Opec,
2021.
Buletin.
Turabian Style
OPEC Buletin Edisi February - Maret 2021.
Vienna, Austria:
Opec,
2021.
Buletin.