Gaya APA

Philips, D, A, &, W, R. (1989). Plant Cast Precats and Prestressed Concrete (3). New York: McGraw Hill.

Gaya MLA

Philips, David, A.Sheppard, &, William, R.. "Plant Cast Precats and Prestressed Concrete". 3 New York: McGraw Hill, 1989. Text.