Παραπομπή σε μορφή APA (7η εκδ.)

CUMMINGS, M. C. (1981). Democracy Under Pressure An Introduction To The American Political System Milton C. Cummings; David Wise. Harcourt Brace Jovanovich.

Παραπομπή σε μορφή Chicago (17η εκδ.)

CUMMINGS, Milton C. Democracy Under Pressure An Introduction To The American Political System Milton C. Cummings; David Wise. Harcourt Brace Jovanovich, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

CUMMINGS, Milton C. Democracy Under Pressure An Introduction To The American Political System Milton C. Cummings; David Wise. Harcourt Brace Jovanovich, 1981.