by Jefferson P. Jones ... [and others]
South-Western Cengage Learning, 2012
Buku Teks
Hague, D.C.
Longman, 1971
Buku Teks
Mattel, Bruce
John Wiley & Sons, 2008
Buku Teks
Munter, Mary
Prentice-Hall, 1982
Buku Referensi
Paik, C. M., 1931-
McGraw-Hill , 1973
Buku Teks