Dyfyniad APA

LUMSDEN, K. (1966). Microeconomics A Ppprogrammed Book Keith Lumsden, R. Attiyeh, George Leland Bach. Prentice-Hall.

Dyfyniad Arddull Chicago

LUMSDEN, Keith. Microeconomics A Ppprogrammed Book Keith Lumsden, R. Attiyeh, George Leland Bach. Prentice-Hall, 1966.

Dyfyniad MLA

LUMSDEN, Keith. Microeconomics A Ppprogrammed Book Keith Lumsden, R. Attiyeh, George Leland Bach. Prentice-Hall, 1966.

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