Cita APA (7a ed.)

DUCKWORTH, W. (1977). A guide Operational Research W.e Duckworth. Chapman And Hall.

Cita Chicago Style (17a ed.)

DUCKWORTH, W.E. A Guide Operational Research W.e Duckworth. Chapman And Hall, 1977.

Cita MLA (8a ed.)

DUCKWORTH, W.E. A Guide Operational Research W.e Duckworth. Chapman And Hall, 1977.