APA Style
Tay, Ian. (2012).
'O' Level Biology: Frequently Asked Questions .
UK:
Educational Publishing House Pte Ltd.
Chicago Style
Tay, Ian.
'O' Level Biology: Frequently Asked Questions.
UK:
Educational Publishing House Pte Ltd,
2012.
Text.
MLA Style
Tay, Ian.
'O' Level Biology: Frequently Asked Questions.
UK:
Educational Publishing House Pte Ltd,
2012.
Text.
Turabian Style
Tay, Ian.
'O' Level Biology: Frequently Asked Questions.
UK:
Educational Publishing House Pte Ltd,
2012.
Print.