Quito, S. A. (2002). Pretend play as an agent to a child's cognitive development. Manila Times.
Chicago-referens (17:e uppl.)Quito, Sherryl Anne. "Pretend Play as an Agent to a Child's Cognitive Development." Manila Times 2002.
MLA-referens (9:e uppl.)Quito, Sherryl Anne. "Pretend Play as an Agent to a Child's Cognitive Development." Manila Times, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.