Ingle, S. (1982). Quality circles master guide: Increasing productivity with people power. Englewood Cliffs, N.J: Prentice-Hall.
استشهاد بنمط شيكاغوIngle, Sud. Quality Circles Master Guide: Increasing Productivity With People Power. Englewood Cliffs, N.J: Prentice-Hall, 1982.
MLA استشهادIngle, Sud. Quality Circles Master Guide: Increasing Productivity With People Power. Englewood Cliffs, N.J: Prentice-Hall, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.