Gaya APA
Wiersma, William. (1991).
Reserach methods in education: an introduction (5).
Boston:
Allyn And Bacon .
Gaya Chicago
Wiersma, William.
Reserach methods in education: an introduction.
5
Boston:
Allyn And Bacon ,
1991.
Text.
Gaya MLA
Wiersma, William.
Reserach methods in education: an introduction.
5
Boston:
Allyn And Bacon ,
1991.
Text.
Gaya Turabian
Wiersma, William.
Reserach methods in education: an introduction.
5
Boston:
Allyn And Bacon ,
1991.
Print.