Gaya APA
Introductory Chemistry. (2011).
New Jersey:
Pearson Prentice Hall.
Gaya Chicago
Introductory Chemistry.
4.
New Jersey:
Pearson Prentice Hall,
2011.
Buku.
Gaya MLA
Introductory Chemistry.
4.
New Jersey:
Pearson Prentice Hall,
2011.
Buku.
Gaya Turabian
Introductory Chemistry.
New Jersey:
Pearson Prentice Hall,
2011.
Buku.