Gaya APA
PH.D, N, S, F., Choo, M. (2010).
Maths Alive! ; Workbook 4A (Cetakan ke-2).
Singapore:
Pearson Education South Asia Pte.Ltd.
Gaya MLA
PH.D, Ng, Swee, Fong., Choo, Michelle.
"Maths Alive! ; Workbook 4A".
Cetakan ke-2
Singapore:
Pearson Education South Asia Pte.Ltd,
2010.
Text.