Parker, S.R., author
George Allen and Unwin , 1975
Buku Teks
Singh, Narendar, 1957-, author
Tata McGraw-Hill, 2012
Buku Teks
Gilmer, B. von Haller (Beverly von Haller), 1909-1994, author
McGraw-Hill, 1977
Buku Teks
Newstrom, John W., author
McGraw-Hill, 2015
Buku Teks
Newstrom, John W., author
Tata McGraw-Hill , 1997
Buku Teks