Wiersma, William
Research methods in education: an introduction
Pearson/Allyn and Bacon, 2005
 Buku Teks
Ary, Donald
Introduction to research in education
Wardsword Cengage Learning, 2010
 Buku Teks
Wiersma, William
Research methods in education: an introduction / William Wiersma
Allyn and Bacon , 1991
 Buku Teks
Best, John W.
Research in education
Pearson, 2014
 Buku Teks
Best, John W.
Research in education
Prentice Hall of India, 1982
 Buku Teks