APA Style
Tay, Beverly. (2011).
Science process skills .
Singapore:
Longman.
Chicago Style
Tay, Beverly.
Science process skills.
Singapore:
Longman,
2011.
Text.
MLA Style
Tay, Beverly.
Science process skills.
Singapore:
Longman,
2011.
Text.
Turabian Style
Tay, Beverly.
Science process skills.
Singapore:
Longman,
2011.
Print.