APA-čujuhus (7. p.)
Cummings, M. C., & Wise, D. (1985). Democracy under pressure: An introduction to the American political system (5th ed.). San Diego.
Chicago-čujuhus (17. p.)
Cummings, Milton C., juo David Wise. Democracy Under Pressure: An Introduction to the American Political System. 5th ed. Harcourt Bracae Jovanovich: San Diego, 1985.
MLA-čujuhus (9. p.)
Cummings, Milton C., juo David Wise. Democracy Under Pressure: An Introduction to the American Political System. 5th ed. San Diego, 1985.
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