Anderson, Norman A., author
Chilton Book Company, 1972
Buku Teks
Hart, Albert Gailord, 1909-, author
Prentice-Hall, 1961
Buku Teks
Hart, Albert Gailord, 1909-, author
Prentice-Hall, 1961
Buku Teks
Hart, Albert Gailord, 1909-, author
Prentice-Hall, 1953
Buku Teks
Cathcart, Charles D., author
Richard D. Irwin, 1982
Buku Teks