Ford, E. David
Scientific method for ecological research
Cambridge University Press, 2000
 eBooks
Carey, Stephen S.
A beginner's guide to scientific method / Stephen S. Carey
Thomson Wadsworth, 2004
 Buku Teks
Ackoff, Russell Lincoln, 1919-
Scientific method: optimizing applied research decisions
John Wiley & Sons, 1962
 Buku Teks
Greenstein, Theodore N.
Methods of family research
Sage Publications, 2001
 Buku Teks
Pickard, Alison Jane
Research methods in information
Facet Publishing, 2007
 Buku Teks