Deming, Vasudha Kathleen, author
McGraw-Hill, 2004
Buku Teks
Potapova, Nina F., author
Foreign Languages Publishing House, 1959
Buku Referensi
McKeague, Charles P., 1946-, author
Brooks/Cole Cengage Learning, 2012
Buku Teks
McKeague, Charles, 1946-, author
Brooks/Cole Cengage Learning, 2012
Buku Teks
Potapova, Nina F., author
Foreign Languages Publishing House, 1959
Buku Teks