Encyclopedia of survey research methods
Sage Publications, 2008
 eBooks
Research methods: guidance for postgraduates
edited by Tony Greenfield
Arnold, 1996
 Buku Teks
Goode, William J.
Methods in social research
McGraw-Hill, 1952
 Buku Teks
Galtung, Johan
Theory and methods of social research
George Allen and Unwin, 1969
 Buku Teks
Pratt, Brian
Choosing research methods: data collection for development workers
Oxfam, 1992
 Buku Teks