APA-viite (7. p.)
Forbes, R. (2004). Beginning to play: Young children from birth to three. Open University Press.
Chicago-viite (17. p.)
Forbes, Ruth. Beginning to Play: Young Children from Birth to Three. Buckingham: Open University Press, 2004.
MLA-viite (9. p.)
Forbes, Ruth. Beginning to Play: Young Children from Birth to Three. Open University Press, 2004.
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