Penggayaan APA
LEWIS, W. Arthur. (1949).
Principles of economic planning .
Washington, DC:
Public Affairs.
Chicago Style
LEWIS, W. Arthur.
Principles of economic planning.
Washington, DC:
Public Affairs,
1949.
Buku.
MLA Style
LEWIS, W. Arthur.
Principles of economic planning.
Washington, DC:
Public Affairs,
1949.
Buku.
Turabian Style
LEWIS, W. Arthur.
Principles of economic planning.
Washington, DC:
Public Affairs,
1949.
Buku.