APA-ийн эшлэл(7 дахь хэвлэлт)

Houlsby, G., Wroth, C., & Verruijt, A. (1982). Determination of undrained strengths by cone penetration tests. Balkema.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Houlsby, G., C. Wroth, ба A. Verruijt. Determination of Undrained Strengths by Cone Penetration Tests. Balkema, 1982.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Houlsby, G., et al. Determination of Undrained Strengths by Cone Penetration Tests. Balkema, 1982.