Gaya APA
Lewis, W. Arthur. (1966).
Development planning : The essentials of economics planning .
London:
George Allen & Unwin.
Gaya Chicago
Lewis, W. Arthur.
Development planning : The essentials of economics planning.
London:
George Allen & Unwin,
1966.
Buku Teks.
Gaya MLA
Lewis, W. Arthur.
Development planning : The essentials of economics planning.
London:
George Allen & Unwin,
1966.
Buku Teks.
Gaya Turabian
Lewis, W. Arthur.
Development planning : The essentials of economics planning.
London:
George Allen & Unwin,
1966.
Buku Teks.