Steiner, George A. (George Albert), 1912-, author
Macmillan, 1966
Buku Teks
Rien T. Segers, editor
Springer International Publishing, 2016
eBooks
Sethi, S. Prakash, author
Goodyear, 1973
Buku Teks
Stopford, John Morton
Basic Books, 1972
Buku Teks
Dymsza, William A., author
McGraw-Hill, 1972
Buku Teks