Παραπομπή APA

Brown,Sophie, & ...[et.al.]. (2008). Pocket world in figures 2009 edition. Profile books.

Παραπομπή Chicago Style

Brown,Sophie, και ...[et.al.]. Pocket World in Figures 2009 Edition. London: Profile books, 2008.

Παραπομπή MLA

Brown,Sophie, και ...[et.al.]. Pocket World in Figures 2009 Edition. Profile books, 2008.