Sumadi Suryabrata, author
RajaGrafindo Persada, 2012
Buku Teks
Juul, Svend, author
Stata Press, 2008
Buku Teks
Hicks, Carolyn M., author
Prentice-Hall, 1990
Buku Teks
Munro, Barbara Hazard, author
Lippincott, 1986
Buku Teks
Grove, Susan K., author
Elsevier, 2017
Buku Teks