Thyer, Bruce A.
The handbook of social work research methods
London : Sage, 2001,
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The handbook of social work research methods
editor, Bruce A. Thyer
Sage, 2001
 Buku Referensi
The SAGE handbook of innovation in social research methods
edited by Malcolm Williams and W. Paul Vogt
Sage, 2011
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Handbook of research methods in social and personality psychology
edited by Harry T. Reis and Charles M. Judd
Cambridge University Press, 2000
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Sage handbook of mixed methods in social & behavioral research
Abbas Tashakkori, Charles Teddlie
Sage, 2010
 Buku Teks SO