Price, Miles Oscar, 1890-1968
Effective legal research
Brown and Company, 1979
 Buku Referensi
Price, Miles Oscar, 1890-1968
Effective legal research
Little, Brown, 1979
 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
White, P.A.F.
Effective Management of Research and Development/P.A.F.White
Macmillan, 1975
 Buku Teks