Knowles, John
Effective legal research paperback
Sweet & Maxwell, 2012
Buku Teks
Price, Miles Oscar, 1890-1968
Effective legal research
Brown and Company, 1979
Buku Referensi
White, P.A.F.
Effective Management of Research and Development
Macmillan, 1975
Buku Teks
Punch, Keith F.
Developing effective research proposlas
Sage, 2003
Buku Teks
Punch, Keith F.
Developing effective research proposlas
Sage Publications, 2008
Buku Teks