Gaya APA
Barnes, Ralph M.. (1968).
Motion And Time Study (6th ed).
New York:
John Wiley & Sons.
Gaya Chicago
Barnes, Ralph M..
Motion And Time Study.
6th ed
New York:
John Wiley & Sons,
1968.
.
Gaya MLA
Barnes, Ralph M..
Motion And Time Study.
6th ed
New York:
John Wiley & Sons,
1968.
.
Gaya Turabian
Barnes, Ralph M..
Motion And Time Study.
6th ed
New York:
John Wiley & Sons,
1968.
.