Gaya APA
Spector,Paul E.. (1981).
Research designs: Quantitative applications in the social sciences /Paul E.Spector .
London:
Sams.
Gaya Chicago
Spector,Paul E..
Research designs: Quantitative applications in the social sciences /Paul E.Spector.
London:
Sams,
1981.
Text.
Gaya MLA
Spector,Paul E..
Research designs: Quantitative applications in the social sciences /Paul E.Spector.
London:
Sams,
1981.
Text.
Gaya Turabian
Spector,Paul E..
Research designs: Quantitative applications in the social sciences /Paul E.Spector.
London:
Sams,
1981.
Print.