Gaya APA
Nelson, Richard R.. (1996).
The Sources of economic growth .
Cambridge:
Harvard University Press.
Gaya Chicago
Nelson, Richard R..
The Sources of economic growth.
Cambridge:
Harvard University Press,
1996.
Text.
Gaya MLA
Nelson, Richard R..
The Sources of economic growth.
Cambridge:
Harvard University Press,
1996.
Text.
Gaya Turabian
Nelson, Richard R..
The Sources of economic growth.
Cambridge:
Harvard University Press,
1996.
Print.