Gaya APA
Ragin, Charles C. (1994).
Constructing social research .
London:
Pine Forge Press.
Gaya Chicago
Ragin, Charles C.
Constructing social research.
London:
Pine Forge Press,
1994.
Text.
Gaya MLA
Ragin, Charles C.
Constructing social research.
London:
Pine Forge Press,
1994.
Text.
Gaya Turabian
Ragin, Charles C.
Constructing social research.
London:
Pine Forge Press,
1994.
Print.