Gaya APA
OON, D. (2008).
UNDERSTANDING O LEVEL PHYSICS THROUGH PROBLEM SOLVING A SUPPLEMENTARY PRACTICE (Cet. 1).
SINGAPORE:
PANPAC EDUCATION.
Gaya MLA
OON, DAVID.
"UNDERSTANDING O LEVEL PHYSICS THROUGH PROBLEM SOLVING A SUPPLEMENTARY PRACTICE".
Cet. 1
SINGAPORE:
PANPAC EDUCATION,
2008.
Buku.