Gaya APA
Wiersma, William. (1986).
Research methods in education: an introduction fourth edition .
Boston:
Allyn and Bacon, Inc.
Gaya Chicago
Wiersma, William.
Research methods in education: an introduction fourth edition.
Boston:
Allyn and Bacon, Inc,
1986.
Text.
Gaya MLA
Wiersma, William.
Research methods in education: an introduction fourth edition.
Boston:
Allyn and Bacon, Inc,
1986.
Text.
Gaya Turabian
Wiersma, William.
Research methods in education: an introduction fourth edition.
Boston:
Allyn and Bacon, Inc,
1986.
Print.