edited by William C. Sze and June G. Hopps
Schenkman, 1978
Buku Teks
Lewis, Judith A.
Brooks/Cole, 1991
Buku Teks
Knoll, Anne Powell
McGraw-Hill, 1976
Buku Teks
Martin, Lawrence L
Sage Publications, 2013
eBooks
Martin, Lawrence L.
Sage Publications,Inc., 1993
Buku Teks