APA-ийн эшлэл(7 дахь хэвлэлт)

Allsopp, W. (2009). Unauthorised access: Physical penetration testing for IT security teams. Wiley.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Allsopp, Wil. Unauthorised Access: Physical Penetration Testing for IT Security Teams. Chichester: Wiley, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Allsopp, Wil. Unauthorised Access: Physical Penetration Testing for IT Security Teams. Wiley, 2009.