APA-ийн эшлэл(7 дахь хэвлэлт)

Crew, M. A., & Kleindorfer, P. R. (2005). Regulatory and Economic Challenges in the Postal and Delivery Sector. Springer US. https://doi.org/10.1007/b102100

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Crew, Michael A., ба Paul R. Kleindorfer. Regulatory and Economic Challenges in the Postal and Delivery Sector. Boston, MA: Springer US, 2005. https://doi.org/10.1007/b102100.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Crew, Michael A., ба Paul R. Kleindorfer. Regulatory and Economic Challenges in the Postal and Delivery Sector. Springer US, 2005. https://doi.org/10.1007/b102100.