Sellin, Thorsten, author
Wiley Eastern Private Limited, 1970
Buku Teks
Giallombardo, Rose, author
John Wiley & Sons, 1982
Buku Teks
Burfeind, James W. , author
Jones and Bartlett Publishers, 2011
Buku Teks
David W. Springer, Albert R. Roberts, editor
Jones and Bartlett Publishers, 2011
Buku Teks
Yablonsky, Lewis, author
Wadsworth, 2000
Buku Teks