Wilson, E. Bright
An Introduction to scientific research
McGraw-Hill, 1952
 Buku Teks
Freedman, Paul
The principles of scientific research
Public Affairs Press, 1950
 Buku Teks
Beach, David P.
Handbook for scientific and technical research
Prentice-Hall, 1992
 Buku Referensi
Ford, E. David
Scientific method for ecological research
Cambridge University Press, 2000
 eBooks
E. David Ford
Scientific method for ecological research
Cambridge University Press, 2000
 eBooks