Cita APA (7th ed.)

Porter, D., & Prince, D. (2002). Frommer's Germany 2002. Hungry Minds.

Cita Chicago (17th ed.)

Porter, Darwin, i Danforth Prince. Frommer's Germany 2002. New York: Hungry Minds, 2002.

Cita MLA (9th ed.)

Porter, Darwin, i Danforth Prince. Frommer's Germany 2002. Hungry Minds, 2002.