Principles of microeconomics /
James F. Ragan, Jr., Lloyd B. Thomas, Jr.
- 2d ed.
- Fort Worth : Dryden Press, c1993.
- xxv, 755, 252 p. : col. ill. ; 26 cm.
- The Dryden Press series in economics .
"Study guide / Roger C. Trenary with the assistance of James F. Ragan, Jr. and Lloyd B. Thomas, Jr.": p. 1-252 (last group).