Gaya APA
Clark, Jim. (2004).
Longman GCSE Chemistry .
Harlow:
Pearson Longman.
Gaya Chicago
Clark, Jim.
Longman GCSE Chemistry.
Harlow:
Pearson Longman,
2004.
Non-fiction.
Gaya MLA
Clark, Jim.
Longman GCSE Chemistry.
Harlow:
Pearson Longman,
2004.
Non-fiction.
Gaya Turabian
Clark, Jim.
Longman GCSE Chemistry.
Harlow:
Pearson Longman,
2004.
Non-fiction.