Gaya APA

ROBINSON, D, A, J, A. (2012). WHY NATIONS FAIL: THE ORIGINS OF POWER, PROSPERITY, AND PROVERTY . NEW YORK: CURRENCY BOOKS.

Gaya MLA

ROBINSON, DARON, ACEMOGLU,, JAMES, A.. "WHY NATIONS FAIL: THE ORIGINS OF POWER, PROSPERITY, AND PROVERTY". NEW YORK: CURRENCY BOOKS, 2012. Text.