Gaya APA
Danner, D, L., Mundel, M, E. (1984).
Motion and Time Study: Improving Productivity (7th ed. -).
RUTGERS UNIVERSITY:
PRENTICE HALL _2.
Gaya MLA
Danner, David, L.., Mundel, Marvin, E..
"Motion and Time Study: Improving Productivity".
7th ed. -
RUTGERS UNIVERSITY:
PRENTICE HALL _2,
1984.
Buku Teks.