Gaya APA
Yong, C, C. (2013).
Perfect Guide : 'o' Biology 2and Edition (Cetakan ke-2, 2013).
Singapore:
Marshall Cavendish Education.
Gaya MLA
Yong, Chiam, Choon.
"Perfect Guide : 'o' Biology 2and Edition".
Cetakan ke-2, 2013
Singapore:
Marshall Cavendish Education,
2013.
Text.