Chermak, Lawrence E.
Jackson Place,N.W., 1954
Buku Teks
Kinsler, Lawrence E., author
Wiley Eastern,, 1962
Buku Teks
Conroy, Lawrence E.
Macmillan, 1972
Buku Teks
Shapiro, Lawrence E.
HarperCollins, 1997
Buku Teks
Malvern, Lawrence E.
Prentice-Hall, 1976
Buku Teks