Kramer, M. G., Presley, J. W., & Rigg, D. (1988). Prentice Hall workbook for writers. New Jersey: Prentice-Hall.
Chicago Style aipamenaKramer, Melinda G., John W. Presley, và Donald Rigg. Prentice Hall Workbook for Writers. New Jersey: Prentice-Hall, 1988.
MLA aipamenaKramer, Melinda G., John W. Presley, và Donald Rigg. Prentice Hall Workbook for Writers. New Jersey: Prentice-Hall, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.