Gaya APA
Barnes, Ralph M.. (1960).
Motion and time study / Ralph M. Barnes (5th ed.).
:
John Wiley n Sons.
Gaya Chicago
Barnes, Ralph M..
Motion and time study / Ralph M. Barnes.
5th ed.
:
John Wiley n Sons,
1960.
Text.
Gaya MLA
Barnes, Ralph M..
Motion and time study / Ralph M. Barnes.
5th ed.
:
John Wiley n Sons,
1960.
Text.
Gaya Turabian
Barnes, Ralph M..
Motion and time study / Ralph M. Barnes.
5th ed.
:
John Wiley n Sons,
1960.
Print.