APA Style
Smith, Laurence C.. (2011).
The World In 2050 : Four Forces Shaping Civilization's Northern Future .
England:
PENGUIN BOOK.
Chicago Style
Smith, Laurence C..
The World In 2050 : Four Forces Shaping Civilization's Northern Future.
England:
PENGUIN BOOK,
2011.
Teks.
MLA Style
Smith, Laurence C..
The World In 2050 : Four Forces Shaping Civilization's Northern Future.
England:
PENGUIN BOOK,
2011.
Teks.
Turabian Style
Smith, Laurence C..
The World In 2050 : Four Forces Shaping Civilization's Northern Future.
England:
PENGUIN BOOK,
2011.
Teks.