Gaya APA
FREIVALDS, Andris, NIEBEL, Benjamin. (1999).
METHODS STANDARDS & WORK DESIGN .
:
.
Gaya Chicago
FREIVALDS, Andris, NIEBEL, Benjamin.
METHODS STANDARDS & WORK DESIGN.
:
,
1999.
Standard.
Gaya MLA
FREIVALDS, Andris, NIEBEL, Benjamin.
METHODS STANDARDS & WORK DESIGN.
:
,
1999.
Standard.
Gaya Turabian
FREIVALDS, Andris, NIEBEL, Benjamin.
METHODS STANDARDS & WORK DESIGN.
:
,
1999.
Standard.