APA引文

Niebel, B. W. (1982). Motion and time study (7th ed.). R.D. Irwin.

Chicago Style (17th ed.) Citation

Niebel, Benjamin W. Motion and Time Study. 7th ed. Homewood, Ill: R.D. Irwin, 1982.

MLA引文

Niebel, Benjamin W. Motion and Time Study. 7th ed. R.D. Irwin, 1982.