APA Style
Borg, W, R. et al (2007).
Educational Research An Introduction (ke 8).
london,new york:
Pearson Allyn And Bacon.
MLA Style
Borg, Walter, R.. et al.
"Educational Research An Introduction".
ke 8
london,new york:
Pearson Allyn And Bacon,
2007.
Buku PGSD.