Gaya APA
Raju, N, K., Erlangga, P.
(1989).
Beton prategang
(
2nd ed)
.
Jakarta:
Penerbit Erlangga.
Gaya MLA
Raju, N., Krishna.., Erlangga, Penerbit.
"Beton prategang".
2nd ed
Jakarta:
Penerbit Erlangga,
1989.
Printed Book.