APA
van valkenburg m. e., .circuit theory:foundations and classical contributions. van valkenburg,mac elwyn,1921. 1st.ed | .Stroudsburg Dowden: .
Chicago
van valkenburg mac elwyn,1921, .circuit theory:foundations and classical contributions. van valkenburg,mac elwyn,1921. 1st.ed | .Stroudsburg Dowden: .
Harvard
van valkenburg m. e., .circuit theory:foundations and classical contributions. van valkenburg,mac elwyn,1921. 1st.ed | .Stroudsburg Dowden: .
MLA
van valkenburg mac elwyn,1921, .1st.ed | .Stroudsburg Dowden: . .