APA Style
Salvia, John.. ().
Population and the world economy in the 21st century .
:
.
Chicago Style
Salvia, John..
Population and the world economy in the 21st century.
:
,
.
.
MLA Style
Salvia, John..
Population and the world economy in the 21st century.
:
,
.
.
Turabian Style
Salvia, John..
Population and the world economy in the 21st century.
:
,
.
.