APA Style
Seng, T, K. et al
(2011).
Mathematics: Workbook 2
.
Singapore:
Shinglee Publishers Pte.ltd.
MLA Style
Seng, Teh, Keng. et al.
"Mathematics: Workbook 2".
Singapore:
Shinglee Publishers Pte.ltd,
2011.
Buku SMA Athalia.