APA
POPULATION REFERENCE BUREAU, . (2011). THE WORLD'S WOMEN AND GIRLS. WASHINGTON,D.C. USA: POPULATION REFERENCE BUREAU.
Chicago
POPULATION REFERENCE BUREAU, . 2011. THE WORLD'S WOMEN AND GIRLS. WASHINGTON,D.C. USA: POPULATION REFERENCE BUREAU.
Harvard
POPULATION REFERENCE BUREAU, . (2011). THE WORLD'S WOMEN AND GIRLS. WASHINGTON,D.C. USA: POPULATION REFERENCE BUREAU.
MLA
POPULATION REFERENCE BUREAU, . THE WORLD'S WOMEN AND GIRLS. WASHINGTON,D.C. USA: POPULATION REFERENCE BUREAU. 2011.
