Barkan, D. (1962). Dynamics of bases and foundations. Mcgraw-hill.
Chicago Style aipamenaBarkan, D.D. Dynamics of Bases and Foundations. America: Mcgraw-hill, 1962.
MLA aipamenaBarkan, D.D. Dynamics of Bases and Foundations. Mcgraw-hill, 1962.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.