Moyer, C.A., author
John Wiley & Sons, 1951
Buku Teks
M. Munandar
Charisma, 1979
Buku Teks
Skousen, K. Fred, author
Salembe Empat, 2001
Buku Teks
Welsch, Glenn A., author
Learning System Company, 1977
Buku Teks
Cashin, James A., author
McGraw-Hill, 1975
Buku Teks