Nazeri, n. (2001). USG and your baby. PT Bhuana Ilmu Populer.
Lua i Stíl Chicago (17ú heag.)Nazeri, nikki. USG and Your Baby. PT Bhuana Ilmu Populer, 2001.
Lua MLA (9ú heag.)Nazeri, nikki. USG and Your Baby. PT Bhuana Ilmu Populer, 2001.
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