Gaya APA

Johnson, R. (1978). Composite structures of steel and concrete / RP. Johnson (^a2 ^bjilid 1). New York: Blackwel scientipic Publishing.

Gaya MLA

Johnson, R.P. "Composite structures of steel and concrete / RP. Johnson". ^a2 ^bjilid 1 New York: Blackwel scientipic Publishing, 1978. .