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.