APA استشهاد

Knowler, L. A. .. [. (1969). Quality control by statistical methods. Mc graw hill book company.

استشهاد بنمط شيكاغو

Knowler, Lloyel A ... [et.al]. Quality Control by Statistical Methods. New York: Mc graw hill book company, 1969.

MLA استشهاد

Knowler, Lloyel A ... [et.al]. Quality Control by Statistical Methods. Mc graw hill book company, 1969.