Gaya APA
Wiersma, William. (1991).
Research methods in education : an introduction / William Wiersma (5th ed).
:
Boston : Allyn and Bacon.
Gaya Chicago
Wiersma, William.
Research methods in education : an introduction / William Wiersma.
5th ed
:
Boston : Allyn and Bacon,
1991.
Buku.
Gaya MLA
Wiersma, William.
Research methods in education : an introduction / William Wiersma.
5th ed
:
Boston : Allyn and Bacon,
1991.
Buku.
Gaya Turabian
Wiersma, William.
Research methods in education : an introduction / William Wiersma.
5th ed
:
Boston : Allyn and Bacon,
1991.
Buku.