APA aipamena

Howell, B. (1982). Mere formality. New York: M. Evans and Company.

Chicago Style aipamena

Howell, Barbara. Mere Formality. New York: M. Evans and Company, 1982.

MLA aipamena

Howell, Barbara. Mere Formality. New York: M. Evans and Company, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.