APA (7th ed.) Zitazioa
ebrary, Inc, Heckles, J. P., & Bergin, L. M. (2011). Aging: Mental aspects, social welfare and health. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Jim P. Heckles, eta Laura M. Bergin. Aging: Mental Aspects, Social Welfare and Health. New York: Nova Science Publishers, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Aging: Mental Aspects, Social Welfare and Health. Nova Science Publishers, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.