APA-Zitierstil (7. Ausg.)

Fraga, L. R. (2012). United States government: Principles in practice (Student ed.). Holt McDougal.

Chicago-Zitierstil (17. Ausg.)

Fraga, Luis Ricardo. United States Government: Principles in Practice. Student ed. Orlando, Florida: Holt McDougal, 2012.

MLA-Zitierstil (9. Ausg.)

Fraga, Luis Ricardo. United States Government: Principles in Practice. Student ed. Holt McDougal, 2012.