Attitude measurement
edited by Gene F. Summers
Kershaw, 1977
Buku Teks SO
Oppenheim, A.N.
Questionnaire design and attitude measurement
Basic Books, 1966
Buku Teks SO
Fundamentals of......
Buku Teks
Bennett, B.S.
Simulation fundamentals
Prentice-Hall, 1995
Buku Teks SO
McCormac, Jack C.
Surveying fundamentals
Prentice-Hall, 1983
Buku Teks SO