Gaya APA

Digrado, B, D., A.Thorp, G. (2004). The Aboveground steel Storage Tank Handbook . New Jersey: John Wiley & Sons, Inc.

Gaya MLA

Digrado, Brian, D., A.Thorp, Gregory. "The Aboveground steel Storage Tank Handbook". New Jersey: John Wiley & Sons, Inc, 2004. Text.