Gaya APA
Clark, Jim. (2002).
longman gcse chemistry .
Amerika:
Longman.
Gaya Chicago
Clark, Jim.
longman gcse chemistry.
Amerika:
Longman,
2002.
Buku.
Gaya MLA
Clark, Jim.
longman gcse chemistry.
Amerika:
Longman,
2002.
Buku.
Gaya Turabian
Clark, Jim.
longman gcse chemistry.
Amerika:
Longman,
2002.
Buku.