Coyle, John J. (John Joseph), 1935-, author
South-Western College, 2000
Buku Teks
Stamp, L. Dudley (Laurence Dudley), 1898-1966, author
Penguin Books, 1960
Buku Teks
Getis, Arthur, author
McGraw-Hill Higher Education, 2009
Buku Teks
Unwin, Tim, author
Longman Scientific & Technical, 1992
Buku Teks
Kendall, Henry M., author
Harcourt, Brace, 1958
Buku Teks