Wilson, Bright E., Jr.
An introduction to scientific research / E. Bright Wilson, Jr.
Dover Publications, 1990
 Buku Teks SO
Russell, Richard Joel
Report on scientific research in Indonesia
May, 1960
 Buku Teks SO
Wilson, E. Bright
An Introduction to scientific research
McGraw-Hill, 1952
 Buku Teks SO
Beach, David P.
Handbook for scientific and technical research
Prentice-Hall, 1992
 Buku Referensi
E. David Ford
Scientific method for ecological research
Cambridge University Press, 2000
 eBooks