Wilson, Bright E.
An introduction to scientific research
Dover, 1990
Buku Teks SO
Russell, Richard Joel
Report on scientific research in Indonesia
May, 1960
Buku Teks SO
Haring, Lloyd
Introduction to scientific geographic research
Wm.C. Brown, 1983
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