De Mare, George
John Wiley , 1979
Buku Teks
Adler, Ronald B. (Ronald Brian), 1946-, author
McGraw-Hill, 1996
Buku Teks
Adler, Ronald B. (Ronald Brian), 1946-, author
McGraw-Hill, 2002
Buku Teks
Adler, Ronald B. (Ronald Brian), 1946-, author
McGraw-Hill, 2005
Buku Teks
Ewald, Helen Rothschild, author
Prentice-Hall International, 1997
Buku Teks