Citazione Stile APA (7a Edizione)

DUCKWORTH, W. (1968). Statistical techniques in technological research: An aid to research productivity. Methuen.

Citazione stile Chigago Style (17a edizione)

DUCKWORTH, W.E. Statistical Techniques in Technological Research: An Aid to Research Productivity. London: Methuen, 1968.

Citatione MLA (9a ed.)

DUCKWORTH, W.E. Statistical Techniques in Technological Research: An Aid to Research Productivity. Methuen, 1968.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.