Ulrich, Karl T., author
Irwin McGraw-Hill, 2000
Buku Teks
Ulrich, Karl T., author
McGraw-Hill, 2012
Buku Teks
Ulrich, Karl T., author
McGraw-Hill Education, 2012
Buku Teks
Ulrich, Karl T., author
Irwin, McGraw-Hill , 1995
Buku Teks
Weales, Gerald Clifford, 1925-, author
Macmillan, 1969
Buku Teks