(2002). Facts for life. New york: Unicef.
Chicago Style aipamenaFacts for Life. New york: Unicef, 2002.
MLA aipamenaFacts for Life. New york: Unicef, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2002). Facts for life. New york: Unicef.
Chicago Style aipamenaFacts for Life. New york: Unicef, 2002.
MLA aipamenaFacts for Life. New york: Unicef, 2002.