RABER MERRIL F. (1993). MANAGING STRESS FOR MENTAL FITNESS. CRISP PUBLICATION.
Chicago Style aipamenaRABER MERRIL F. MANAGING STRESS FOR MENTAL FITNESS. CALIFORNIA: CRISP PUBLICATION, 1993.
MLA aipamenaRABER MERRIL F. MANAGING STRESS FOR MENTAL FITNESS. CRISP PUBLICATION, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.