Gaya APA
Hoon, T, P. (2004).
Longman Complete Guide To 'O'Level Elementary Mathematics .
SINGAPORE:
Pearson Education South PTE Ltd.
Gaya MLA
Hoon, Teo, Peck.
"Longman Complete Guide To 'O'Level Elementary Mathematics".
SINGAPORE:
Pearson Education South PTE Ltd,
2004.
Text.