Tennant-Smith, J., author
Nelson, 1971
Buku Teks
Paquette, Gerard A., author
Holbrook Press, 1975
Buku Teks
Hirst, D.M., author
Macmillan, 1976
Buku Teks
Smith, Karl J., author
Brooks/Cole, 1992
Buku Teks
Smith, Karl J., author
Brooks/Cole, 1985
Buku Teks