Style de citation APA

Haubrich, H. (1982). International focus on geographical education: Aims, content and recent development of geograph. education in 30 countries from 5 continents. Georg-Eckert-Inst. für Internat. Schulbuchforschung.

Style de citation Chicago

Haubrich, Hartwig. International Focus on Geographical Education: Aims, Content and Recent Development of Geograph. Education in 30 Countries from 5 Continents. Braunschweig: Georg-Eckert-Inst. für Internat. Schulbuchforschung, 1982.

Style de citation MLA

Haubrich, Hartwig. International Focus on Geographical Education: Aims, Content and Recent Development of Geograph. Education in 30 Countries from 5 Continents. Georg-Eckert-Inst. für Internat. Schulbuchforschung, 1982.