Gaya APA

Swanson, C, P., Auvil, K, W. (1997). Perpective Drawing . California: California: Mayfield Publishing Company; 1997.

Gaya MLA

Swanson, Carl, P.., Auvil, Kenneth, W.. "Perpective Drawing". California: California: Mayfield Publishing Company; 1997, 1997. Text.