APA (7th ed.) Zitazioa
SPITZE, G., & ET AL. (1993). FAMILY STRUCTURE AND CHANGES IN LIVING ARRANGEMENTS AMONG ELDERLY NONMARRIED PARENTS.
Chicago Style (17th ed.) Zitazioa
SPITZE, G., eta ET AL. FAMILY STRUCTURE AND CHANGES IN LIVING ARRANGEMENTS AMONG ELDERLY NONMARRIED PARENTS. 1993.
MLA (9th ed.) Zitazioa
SPITZE, G., eta ET AL. FAMILY STRUCTURE AND CHANGES IN LIVING ARRANGEMENTS AMONG ELDERLY NONMARRIED PARENTS. 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.