Hirsa, Alih, editor
Academic Press, 2014
eBooks
Chance, Don M., author
Thomson, 2008
Buku Teks
Chance, Don M., author
South-Western Cengage Learning, 2013
Buku Teks
Choudhry, Moorad, author
Butterworth-Heinemann, 2013
eBooks
Whitehead, Alfred North, 1861-1947, author
Oxford University Press, 1969
Buku Teks