Estupigan, R. (1998). Planning the nursery: What every nursery should have. Manila Bulletin.
Chicago-viite (17. p.)Estupigan, Ruth. "Planning the Nursery: What Every Nursery Should Have." Manila Bulletin 1998.
MLA-viite (9. p.)Estupigan, Ruth. "Planning the Nursery: What Every Nursery Should Have." Manila Bulletin, 1998.
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