APA-ийн эшлэл(7 дахь хэвлэлт)

CUMMINGS, M. C., & David Wise [joint Author]. (1981). Democracy under pressure: An introduction to the American political system (4th ed.). Harcourt Brace Jovanovich.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

CUMMINGS, Milton C., ба David Wise [joint Author]. Democracy Under Pressure: An Introduction to the American Political System. 4th ed. New York: Harcourt Brace Jovanovich, 1981.

MLA -ийн эшлэл (9 дэх хэвлэлт)

CUMMINGS, Milton C., ба David Wise [joint Author]. Democracy Under Pressure: An Introduction to the American Political System. 4th ed. Harcourt Brace Jovanovich, 1981.