Gaya APA
BRUUN, Geoffrey, MAMATEY, Victor S.. (1962).
The World in the Twentieth Century (4).
Boston:
D.C. Heath and Company.
Gaya Chicago
BRUUN, Geoffrey, MAMATEY, Victor S..
The World in the Twentieth Century.
4
Boston:
D.C. Heath and Company,
1962.
.
Gaya MLA
BRUUN, Geoffrey, MAMATEY, Victor S..
The World in the Twentieth Century.
4
Boston:
D.C. Heath and Company,
1962.
.
Gaya Turabian
BRUUN, Geoffrey, MAMATEY, Victor S..
The World in the Twentieth Century.
4
Boston:
D.C. Heath and Company,
1962.
.