Gaya APA

Silvester, P., Ferrari, P. (1990). Finite elements for electrical engineers / P.P. Silvester; R.L. Ferrari . New York: Cambride Universyty Press.

Gaya MLA

Silvester, P.P., Ferrari, P.L.. "Finite elements for electrical engineers / P.P. Silvester; R.L. Ferrari". New York: Cambride Universyty Press, 1990. .