Perl, L. (1989). The great ancestor hunt: The fun of finding out who you are. Clarion Books.
Chicago-viite (17. p.)Perl, Lila. The Great Ancestor Hunt: The Fun of Finding Out Who You Are. New York: Clarion Books, 1989.
MLA-viite (8. p.)Perl, Lila. The Great Ancestor Hunt: The Fun of Finding Out Who You Are. Clarion Books, 1989.
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