Gaya APA
Widiatmoko, irwan. (2011).
Super speed reading .
Jakarta:
Gramedia.
Gaya Chicago
Widiatmoko, irwan.
Super speed reading.
Jakarta:
Gramedia,
2011.
Text.
Gaya MLA
Widiatmoko, irwan.
Super speed reading.
Jakarta:
Gramedia,
2011.
Text.
Gaya Turabian
Widiatmoko, irwan.
Super speed reading.
Jakarta:
Gramedia,
2011.
Print.