Wriggins, W. H., & Adler-Karlsson, G. (1978). Reducing global inequities. McGraw-Hill.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Wriggins, W. Howard, ба Gunnar Adler-Karlsson. Reducing Global Inequities. New York: McGraw-Hill, 1978.
MLA -ийн эшлэл (9 дэх хэвлэлт)Wriggins, W. Howard, ба Gunnar Adler-Karlsson. Reducing Global Inequities. McGraw-Hill, 1978.