APA aipamena

Allen, D. N. d. G. (1954). Relaxation methods. McGraw-Hill.

Chicago Style aipamena

Allen, Deryck Norman de Garrs. Relaxation Methods. New York: McGraw-Hill, 1954.

MLA aipamena

Allen, Deryck Norman de Garrs. Relaxation Methods. McGraw-Hill, 1954.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.