Gaya APA
Barnes, Ralph M. (1980).
Motion and time study : design and measurement of work (7e).
Singapore:
John Wiley.
Gaya Chicago
Barnes, Ralph M.
Motion and time study : design and measurement of work.
7e
Singapore:
John Wiley,
1980.
Buku.
Gaya MLA
Barnes, Ralph M.
Motion and time study : design and measurement of work.
7e
Singapore:
John Wiley,
1980.
Buku.
Gaya Turabian
Barnes, Ralph M.
Motion and time study : design and measurement of work.
7e
Singapore:
John Wiley,
1980.
Buku.