Rosnow, Ralph L.
Wadsworth, 1992
Buku Teks
edited by William J. Rothwell, Roland Sullivan, Gary N. McLean ; with a foreword by Kathleen D. Dannemiller and Robert W. Jacobs
Pfeiffer, 1995
Buku Teks
edited by Gideon M. Hirschfield
Springer Science , 2012
eBooks
Herring, E. Pendleton
Norton, 1966
Buku Teks
Maizell, Robert E.
John Wiley & Sons, 1979
Buku Referensi