Gaya APA
Basic chemistry. (2013).
New Jersey:
John Willey & Sons.
Gaya Chicago
Basic chemistry.
9th ed..
New Jersey:
John Willey & Sons,
2013.
Buku.
Gaya MLA
Basic chemistry.
9th ed..
New Jersey:
John Willey & Sons,
2013.
Buku.
Gaya Turabian
Basic chemistry.
New Jersey:
John Willey & Sons,
2013.
Buku.