Julian, Maureen M., author
CRC Pres, 2008
Buku Teks
Bronzing, Joseph D.
Addison-Wesley, 1982
Buku Teks
Kember. N.F., author
Edward Arnold, 1984
Buku Teks
by William O. Rasmussen ...[et al.]
Westview Press, 1985
Buku Teks
Gross, Jonathan L., author
Chapman & Hall/CRC Taylor & Francis Group, 2008
Buku Teks