Tubbs, Stewart L., author
Remaja Rosdakarya, 1996
Buku Teks
Sussman, Lyle
South Western Publishing, 1984
Buku Teks
DeFleur, Melvin Lawrence, author
Longman, 1989
Buku Teks
Adler, Ronald B. (Ronald Brian), 1946-, author
Oxford University Press, 2014
Buku Teks
Basic Books , 1963
Buku Teks