Gaya APA

O'Con, R, L., Carr, R, H. (1985). METAL FABRICATION: A Practical Guide . USA: Prentice-Hall, Inc.

Gaya MLA

O'Con, Robert, L.., Carr, Richard, H.. "METAL FABRICATION: A Practical Guide". USA: Prentice-Hall, Inc, 1985. Text.