Cita APA (7th ed.)

INGERSOLL, T. G., & O'CONNOR, R. E. (1985). Politics and structure: Essentials of American National Goverment.-- ed.4. Brooks/Cole.

Cita Chicago (17th ed.)

INGERSOLL, Thomas G., i Robert E. O'CONNOR. Politics and Structure: Essentials of American National Goverment.-- Ed.4. California: Brooks/Cole, 1985.

Cita MLA (9th ed.)

INGERSOLL, Thomas G., i Robert E. O'CONNOR. Politics and Structure: Essentials of American National Goverment.-- Ed.4. Brooks/Cole, 1985.