Wriggins, W. H., & Adler-Karlsson, G. (1978). Reducing global inequities. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Wriggins, W. Howard, i Gunnar Adler-Karlsson. Reducing Global Inequities. New York: McGraw-Hill, 1978.
MLA način citiranja (9. izdanje)Wriggins, W. Howard, i Gunnar Adler-Karlsson. Reducing Global Inequities. McGraw-Hill, 1978.