Gaya APA

Salmon, C, G. (2009). (TEKNIK SIPIL 1) Steel Structures : Design and Behavior (4). United States of America: A Pearson Education Company.

Gaya MLA

Salmon, Charles, G.. "(TEKNIK SIPIL 1) Steel Structures : Design and Behavior". 4 United States of America: A Pearson Education Company, 2009. .