Califor, C. o. E. Earthquake engineering research at berkeley-1980. College of Engineering University of California.
Chicago-viite (17. p.)Califor, College of Engineering. Earthquake Engineering Research at Berkeley-1980. College of Engineering University of California.
MLA-viite (8. p.)Califor, College of Engineering. Earthquake Engineering Research at Berkeley-1980. College of Engineering University of California.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.