Gaya APA

Inc., C, A, S. (1998). [Ebook] SAP2000 (R) Steel Design Manual (Versi 6.1). Amerika: Computer And Structure Inc.

Gaya MLA

Inc., Computer, And, Structure. "[Ebook] SAP2000 (R) Steel Design Manual". Versi 6.1 Amerika: Computer And Structure Inc, 1998. Ebook.