APA Style
LEWIS, W, A. (1961).
The Principles of Economic Planning: a study prepared for the Fabian society (1).
Yogyakarta:
Universitas Islam Indonesia.
MLA Style
LEWIS, W., ARTHUR.
"The Principles of Economic Planning: a study prepared for the Fabian society".
1
Yogyakarta:
Universitas Islam Indonesia,
1961.
Text.