Trích dẫn APA

Lillrank, P. (1989). Continuous improvement: Quality control circles in Japanese industry. Ann Arbor: Center for Japanese Studies, the University of Michigan.

Trích dẫn kiểu Chicago

Lillrank, Paul. Continuous Improvement: Quality Control Circles in Japanese Industry. Ann Arbor: Center for Japanese Studies, the University of Michigan, 1989.

Trích dẫn MLA

Lillrank, Paul. Continuous Improvement: Quality Control Circles in Japanese Industry. Ann Arbor: Center for Japanese Studies, the University of Michigan, 1989.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.