Gaya APA
Heyworth, Rex M. (2010).
Chemistry Insight 'O' Level 2nd edition .
Harlow:
Pearson.
Gaya Chicago
Heyworth, Rex M.
Chemistry Insight 'O' Level 2nd edition.
Harlow:
Pearson,
2010.
Non-fiction.
Gaya MLA
Heyworth, Rex M.
Chemistry Insight 'O' Level 2nd edition.
Harlow:
Pearson,
2010.
Non-fiction.
Gaya Turabian
Heyworth, Rex M.
Chemistry Insight 'O' Level 2nd edition.
Harlow:
Pearson,
2010.
Non-fiction.