Markin, Rom J., author
John Wiley & Sons, 1982
Buku Teks
edited by David B. Montgomery and Glen L. Urban
Prentice-Hall, 1970
Buku Teks
edited by David B. Montgomery and Glen L. Urban
Prentice-Hall, 1970
Buku Teks
Hall, Stacey, author
Bhuana Ilmu Populer, 2003
Buku Teks
Shaw, Steven J., author
Macmillan, 1966
Buku Teks