Cooper, P., Cooper, Z., & Hill, C. (1989). BEHAVIORAL TREATMENT OF BULIMIA NERVOSA.
Chicago Style aipamenaCooper, P., Z. Cooper, and C. Hill. BEHAVIORAL TREATMENT OF BULIMIA NERVOSA. 1989.
MLA aipamenaCooper, P., et al. BEHAVIORAL TREATMENT OF BULIMIA NERVOSA. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.