Singh, Jasbir, author
Tata McGraw-Hill, 1984
Buku Teks
Grigg, David, author
Routledge, 1995
Buku Teks
Briggs, David J., author
Longman Scientific & Technical, 1994
Buku Teks
Getis, Arthur, author
McGraw-Hill Higher Education, 2009
Buku Teks
Unwin, Tim, author
Longman Scientific & Technical, 1992
Buku Teks