Gaya APA
University chemistry. (1982).
Amsterdam:
[s.n.].
Gaya Chicago
University chemistry.
Cet. 7.
Amsterdam:
[s.n.],
1982.
Text.
Gaya MLA
University chemistry.
Cet. 7.
Amsterdam:
[s.n.],
1982.
Text.
Gaya Turabian
University chemistry.
Amsterdam:
[s.n.],
1982.
Print.