Gaya APA
Hoong,dkk, T, L.
(2005).
Interactive Science Workbook 1
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SINGAPORE:
SNP PanPac Pte Ltd.
Gaya MLA
Hoong,dkk, Tho, Lai.
"Interactive Science Workbook 1".
SINGAPORE:
SNP PanPac Pte Ltd,
2005.
Text.