Spencer, David E. Study Guide [to Accompany Parkin's] Economics,
Addison-Wesley, 1990, XI, 602 с. : с табл., сх., 0-201-05932-0.
Spencer, David E. .
Study Guide [to Accompany Parkin's] Economics.
Reading, Massachusetts: Addison-Wesley, 1990, XI, 602 с. : с табл., сх., 0-201-05932-0.
Spencer, David E. (1990)
Study Guide [to Accompany Parkin's] Economics,
Reading, Massachusetts: Addison-Wesley, XI, 602 с. : с табл., сх., 0-201-05932-0
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