APA Style
Lewis, A. Arthur. (1961).
The principles of economic planning (7).
Erlangga:
George allen & Unwin Ltd.
Chicago Style
Lewis, A. Arthur.
The principles of economic planning.
7
Erlangga:
George allen & Unwin Ltd,
1961.
Buku Teks.
MLA Style
Lewis, A. Arthur.
The principles of economic planning.
7
Erlangga:
George allen & Unwin Ltd,
1961.
Buku Teks.
Turabian Style
Lewis, A. Arthur.
The principles of economic planning.
7
Erlangga:
George allen & Unwin Ltd,
1961.
Buku Teks.