Blake, T. (1995). Enduring issues in psychology. Greenhaven Press.
Chicago Style (17th ed.) ZitazioaBlake, Toni. Enduring Issues in Psychology. San Diego: Greenhaven Press, 1995.
MLA (9th ed.) ZitazioaBlake, Toni. Enduring Issues in Psychology. Greenhaven Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.