APA (7th ed.) Zitazioa
PENNING, M., & STRAIN, L. (1995). GENDER DIFFERENCES IN DISABILITY, ASSISTANCE, AND SUBJECTIVE WELL-BEING IN LATER LIFE.
Chicago Style (17th ed.) Zitazioa
PENNING, M.J, eta L.A STRAIN. GENDER DIFFERENCES IN DISABILITY, ASSISTANCE, AND SUBJECTIVE WELL-BEING IN LATER LIFE. 1995.
MLA (9th ed.) Zitazioa
PENNING, M.J, eta L.A STRAIN. GENDER DIFFERENCES IN DISABILITY, ASSISTANCE, AND SUBJECTIVE WELL-BEING IN LATER LIFE. 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.