Gaya APA
HOONG, T, L.
(2004).
Interaktive Science 1 : Workbook 1
.
Singapore:
SNP Panpac.
Gaya MLA
HOONG, Tho, Lai.
"Interaktive Science 1 : Workbook 1".
Singapore:
SNP Panpac,
2004.
Buku.