Gaya APA
DOBELLI, R.
(2013).
E-BOOM THE ART OF THINKING CLEARLY
(
1)
.
AMERIKA SERIKAT:
HARPER COLLINS PUBLISHERS.
Gaya MLA
DOBELLI, ROLF.
"E-BOOM THE ART OF THINKING CLEARLY".
1
AMERIKA SERIKAT:
HARPER COLLINS PUBLISHERS,
2013.
Computer File.