Gaya APA

Technology (NIIT), N, I, O, I. (2016). (TEKNIK SIPIL 1) Seismic Design Manual (1). USA: American Institute of Steel Construction,Inc.

Gaya MLA

Technology (NIIT), National, Institute, Of, Information. "(TEKNIK SIPIL 1) Seismic Design Manual". 1 USA: American Institute of Steel Construction,Inc, 2016. .