APA-ийн эшлэл(7 дахь хэвлэлт)

Langley, C., Langley, C., & Hancock, G. (2012). Development of Techniques for Trace Gas Detection in Breath.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Langley, C., Cathryn Langley, ба G. Hancock. Development of Techniques for Trace Gas Detection in Breath. 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Langley, C., et al. Development of Techniques for Trace Gas Detection in Breath. 2012.