APA

besterfield d. h., . (1994). quality control. london: prentice hall international ltd.

Chicago

besterfield dale h, . 1994. quality control. london: prentice hall international ltd.

Harvard

besterfield d. h., . (1994). quality control. london: prentice hall international ltd.

MLA

besterfield dale h, . quality control. london: prentice hall international ltd. 1994.