Παραπομπή σε μορφή APA (7η εκδ.)

Handy, R. L., & Spangler, M. G. (2007). Geotechnical engineering: Soil and foundation principles and practice (5th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Handy, R. L., και M. G. Spangler. Geotechnical Engineering: Soil and Foundation Principles and Practice. 5th ed. New York: McGraw-Hill, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Handy, R. L., και M. G. Spangler. Geotechnical Engineering: Soil and Foundation Principles and Practice. 5th ed. McGraw-Hill, 2007.