Dòng Nội dung
1
Principles of economics / J. Vernon Henderson, Poole William.
Lexington, Mass. : D.C. Heath, 1991
1 v. (various pagings) ; 27 cm.
2
Principles of economics / N. Gregory Mankiw.
Fort Worth, TX : Dryden Press, 1998
xxxv, 797 p. : ill. (some col.) ; 26 cm.