Gaya APA
Chronicle of the 20th Century. (1991).
Belgium:
Chronicle.
Gaya Chicago
Chronicle of the 20th Century.
ed.2.
Belgium:
Chronicle,
1991.
.
Gaya MLA
Chronicle of the 20th Century.
ed.2.
Belgium:
Chronicle,
1991.
.
Gaya Turabian
Chronicle of the 20th Century.
Belgium:
Chronicle,
1991.
.