Cita APA (7th ed.)

Raper, J., Rhind, D., & Shepherd, J. (1992). Postcodes: The new geography. Longman Scientific and Technical.

Cita Chicago (17th ed.)

Raper, Jonathan, David Rhind, i John Shepherd. Postcodes: The New Geography. Essex, England: Longman Scientific and Technical, 1992.

Cita MLA (9th ed.)

Raper, Jonathan, et al. Postcodes: The New Geography. Longman Scientific and Technical, 1992.