Cita APA (7th ed.)

Crew, M. A., & Kleindorfer, P. R. (2006). Progress toward Liberalization of the Postal and Delivery Sector. Springer US. https://doi.org/10.1007/978-0-387-29744-6

Cita Chicago (17th ed.)

Crew, Michael A., i Paul R. Kleindorfer. Progress Toward Liberalization of the Postal and Delivery Sector. Boston, MA: Springer US, 2006. https://doi.org/10.1007/978-0-387-29744-6.

Cita MLA (9th ed.)

Crew, Michael A., i Paul R. Kleindorfer. Progress Toward Liberalization of the Postal and Delivery Sector. Springer US, 2006. https://doi.org/10.1007/978-0-387-29744-6.