APA Style
Mengenal einstein for beginners. (2001).
s.l.:
s.n..
Chicago Style
Mengenal einstein for beginners.
.
s.l.:
s.n.,
2001.
Text.
MLA Style
Mengenal einstein for beginners.
.
s.l.:
s.n.,
2001.
Text.
Turabian Style
Mengenal einstein for beginners.
s.l.:
s.n.,
2001.
Print.