Gaya APA
RA Day Jr, AL Underwood. (1991).
Quantitative Analysis .
New Jersey:
Prentice Hall.
Gaya Chicago
RA Day Jr, AL Underwood.
Quantitative Analysis.
New Jersey:
Prentice Hall,
1991.
Text.
Gaya MLA
RA Day Jr, AL Underwood.
Quantitative Analysis.
New Jersey:
Prentice Hall,
1991.
Text.
Gaya Turabian
RA Day Jr, AL Underwood.
Quantitative Analysis.
New Jersey:
Prentice Hall,
1991.
Print.