Gaya APA
Schwab, Klaus. (2016).
Fourth Industrial Revolution, The (First Edition).
New York, USA:
Currency.
Gaya Chicago
Schwab, Klaus.
Fourth Industrial Revolution, The.
First Edition
New York, USA:
Currency,
2016.
Academic.
Gaya MLA
Schwab, Klaus.
Fourth Industrial Revolution, The.
First Edition
New York, USA:
Currency,
2016.
Academic.
Gaya Turabian
Schwab, Klaus.
Fourth Industrial Revolution, The.
First Edition
New York, USA:
Currency,
2016.
Academic.