APA aipamena

Spiegel, M. (1969). Real Variables. McGraw Hill Book company.

Chicago Style aipamena

Spiegel, M.R. Real Variables. New York: McGraw Hill Book company, 1969.

MLA aipamena

Spiegel, M.R. Real Variables. McGraw Hill Book company, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.