APA aipamena

(2000). Family Characteristics of 6- to 12-year-olds. U.S. Department of Education.

Chicago Style aipamena

Family Characteristics of 6- to 12-year-olds. U.S. Department of Education, 2000.

MLA aipamena

Family Characteristics of 6- to 12-year-olds. U.S. Department of Education, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.