Παραπομπή σε μορφή APA (7η εκδ.)

Houlsby, G., Wroth, C., & Denness, B. (1984). Calculation of stresses on shallow penetrometers and footings. Graham and Trotman, London; IHRDC, Boston.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Houlsby, G., C. Wroth, και B. Denness. Calculation of Stresses on Shallow Penetrometers and Footings. Graham and Trotman, London; IHRDC, Boston, 1984.

Παραπομπή σε μορφή MLA (9th εκδ.)

Houlsby, G., et al. Calculation of Stresses on Shallow Penetrometers and Footings. Graham and Trotman, London; IHRDC, Boston, 1984.