Gaya APA

Swanson, C, P., Ryder, G. (1983). **Strength of materials . New York: New York: Macmillan; 1983.

Gaya MLA

Swanson, Carl, P.., Ryder, G.H. "**Strength of materials". New York: New York: Macmillan; 1983, 1983. Text.