APA Style
Koh, Andy, Goh, Valerie. (2006).
Earth : our home. Secondary 1 (2nd ed.).
Sebastopol, CA:
Marshall Cavendish Education.
Chicago Style
Koh, Andy, Goh, Valerie.
Earth : our home. Secondary 1.
2nd ed.
Sebastopol, CA:
Marshall Cavendish Education,
2006.
Text.
MLA Style
Koh, Andy, Goh, Valerie.
Earth : our home. Secondary 1.
2nd ed.
Sebastopol, CA:
Marshall Cavendish Education,
2006.
Text.
Turabian Style
Koh, Andy, Goh, Valerie.
Earth : our home. Secondary 1.
2nd ed.
Sebastopol, CA:
Marshall Cavendish Education,
2006.
Print.