Παραπομπή σε μορφή APA (7η εκδ.)

Houlsby, G., Wheeler, A., & Norbury, J. (1985). ANALYSIS OF UNDRAINED CONE PENETRATION AS A STEADY FLOW PROBLEM. A. A. Balkema.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Houlsby, G., A. Wheeler, και J. Norbury. ANALYSIS OF UNDRAINED CONE PENETRATION AS A STEADY FLOW PROBLEM. A. A. Balkema, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Houlsby, G., et al. ANALYSIS OF UNDRAINED CONE PENETRATION AS A STEADY FLOW PROBLEM. A. A. Balkema, 1985.