Gaya APA
Lewis, W. Arthur. (1972).
The theory of economic growth .
London:
George Allen.
Gaya Chicago
Lewis, W. Arthur.
The theory of economic growth.
London:
George Allen,
1972.
.
Gaya MLA
Lewis, W. Arthur.
The theory of economic growth.
London:
George Allen,
1972.
.
Gaya Turabian
Lewis, W. Arthur.
The theory of economic growth.
London:
George Allen,
1972.
.