Essentials of economics / Paul R. Gregory. - 2nd ed.. - London : Scott, Foresman a. Co., 1990. - [16], 516 p. : fig. ; 23 cm.см.. - ISBN 0-673-38842-5[MFN: 13054]
Principles of microeconomics / Row. J. Ruffin, Paul. R Gregory. - 4th ed.. - Glenview ; London : Scott, Foresman/Little,Brown higher educat./, 1990. - XXXI, 485, 10, 3p. : fig. ; 25 cm.см.. - ISBN 0-673-46022-3 : [20 L.][MFN: 13140]
Summary: In its fourth edition, Principles of Microeconomics continues the tradition of introducing modern topics at an elementary level. This comprehensive text preserves the best qualities of its previous editions whili adding new material or revising material in light of the most recent economic developments. This book has a complete package of supplements, which includes an Instructor's Manual, Study Guide, several sofware items, Test Bank, Two-color Transparencies, and computerized Test Bank
Principles of microeconomics / Roy J. Ruffin, Paul R. Gregory. - 3rd ed.. - Glenview : Scott, Foresman a. comp., [1988]. - xxviv, 508, 13, 12 p. : fig. ; 25 cm.см.. - ISBN 0-673-18882-5[MFN: 13159]