Freeman, A. Myrick, 1936-, author
Resources for the Future, 1993
Buku Teks
The Modern Language Association of America, 1985
Buku Teks
edited by Jay Krishna Thakur ... [and others]
Springer, 2011
eBooks
Kahn, James R., author
Thomson, 2005
Buku Teks
edited by Ann Bowling, Shah Ebrahim
Open University Press, 2007
Buku Teks