Munafrizal Manan, author
Universitas Indonesia, 2015
Artikel Jurnal
Myrick, Florence, author
Lippincott Williams & Wilkins, 2005
Buku Teks
Norm Friesen
Sense, 2012
eBooks
DeBiase, Christina B., author
Lea & Febiger, 1991
Buku Teks
Freebody, Peter, author
SAGE Publications, 2003
Buku Teks