McClave, James T., author
Dellen Publishing, 1985
Buku Teks
McClave, James T., author
Pearson, 2017
Buku Teks
McClave, James T., author
Prentice-Hall, 2000
Buku Teks
United Nations, 1983
Buku Teks
Chen, Kuan I., author
Bookman Associates, 1960
Buku Teks