Knackstedt, Mary V., author
Wiley, 2005
Buku Referensi
Cohen, Edie Lee, author
Cahners, 1984
Buku Teks
Phillips, Betty Lou
Gibbs Smith, 2000
Buku Teks
Marberry, Sara O., 1959-, author
Van Nonstrand Reinhold, 1994
Buku Teks
Ball, Victoria Kloss, author
John Wiley & Sons, 1980
Buku Teks