Gaya APA
Gamble, W., Park, R. (1980).
Reinfirced concrete slabs / R. Park, W.L. Gamble .
New York:
John Wiley and Sons.
Gaya MLA
Gamble, W.L.., Park, R..
"Reinfirced concrete slabs / R. Park, W.L. Gamble".
New York:
John Wiley and Sons,
1980.
Textbook.