Gaya APA

Korn, H, R., Liberi, A, W. (1978). An Elementary Approach to Functions (Ed. 2). New York: McGaw-Hill Book Company.

Gaya MLA

Korn, Henry, R.., Liberi, Albert, W.. "An Elementary Approach to Functions". Ed. 2 New York: McGaw-Hill Book Company, 1978. Text.