Electronic (Lyon.2011)
Lyon, F.; Mollering, G. & Saunders, M. N. K.
Handbook of Research Methods on Trust
Edward Elgar Pub., 2011

Book (Neuman.2010)
Neuman, W.
Social Research Methods: Qualitative and Quantitative Approaches
Alpha Books, 2010

Book (Creswell.2008)
Creswell, J. W.
Research Design: Qualitative, Quantitative, and Mixed Methods Approaches
Sage Publications Ltd., 2008

Book (dooley.2000)
Dooley, D.
Social Research Methods
Prentice Hall India, 2000

Book (Klein.2000)
Klein, K. J. & Kozlowski, S. W. J. (ed.)
Multilevel Theory, Research, and Methods in Organizations: Foundations, Extensions, and New Directions
Jossey Bass, 2000