Visualizing the facts. (1964). Great Britain. Department of Scientific and industrial Research. H.M.S.O.
استشهاد بنمط شيكاغوVisualizing the facts. Great Britain. Department of Scientific and Industrial Research. London: H.M.S.O, 1964.
MLA استشهادVisualizing the facts. Great Britain. Department of Scientific and Industrial Research. H.M.S.O, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.