Gaya APA
Chemistry, a human concern. (1978).
New York:
[s.n.].
Gaya Chicago
Chemistry, a human concern.
.
New York:
[s.n.],
1978.
Text.
Gaya MLA
Chemistry, a human concern.
.
New York:
[s.n.],
1978.
Text.
Gaya Turabian
Chemistry, a human concern.
New York:
[s.n.],
1978.
Print.