Citazione Stile APA (7a Edizione)

(2008). Perthes world atlas: Digital; more than 300 maps, graphics and images for presentation and education (1. Aufl.). Klett-Perthes.

Citazione stile Chigago Style (17a edizione)

Perthes World Atlas: Digital; More than 300 Maps, Graphics and Images for Presentation and Education. 1. Aufl. Gotha Stuttgart [Leipzig]: Klett-Perthes, 2008.

Citatione MLA (9a ed.)

Perthes World Atlas: Digital; More than 300 Maps, Graphics and Images for Presentation and Education. 1. Aufl. Klett-Perthes, 2008.