Gaya APA

Raju, N, K., Sianipar, Y, [. (1989). [Prestressed Concrete. Bah. Indonesia] Beton Prategang (Ed.2). Jakarta: Erlangga.

Gaya MLA

Raju, N., Krishna., Sianipar, Yani, [Ed.]. "[Prestressed Concrete. Bah. Indonesia] Beton Prategang". Ed.2 Jakarta: Erlangga, 1989. Text.