Gaya APA
Heyworth, D, R, M., Jin, D, L, Y. (2008).
New Science Discovery For Lower Secondary Volume 1 (2nd Edition).
Singapore:
Pearson Education South Asia.
Gaya MLA
Heyworth, Dr, Rex, M., Jin, Dr, Lee, Yew.
"New Science Discovery For Lower Secondary Volume 1".
2nd Edition
Singapore:
Pearson Education South Asia,
2008.
Buku.