Gaya APA
Payne, Geoff, Payne, Judy. (2004).
Key concepts in social research .
London:
Sage.
Gaya Chicago
Payne, Geoff, Payne, Judy.
Key concepts in social research.
London:
Sage,
2004.
Text.
Gaya MLA
Payne, Geoff, Payne, Judy.
Key concepts in social research.
London:
Sage,
2004.
Text.
Gaya Turabian
Payne, Geoff, Payne, Judy.
Key concepts in social research.
London:
Sage,
2004.
Print.