Gaya APA
Concise encyclopedia of the sciences. (1978).
New York:
Fact on file.
Gaya Chicago
Concise encyclopedia of the sciences.
text.
New York:
Fact on file,
1978.
Tesis.
Gaya MLA
Concise encyclopedia of the sciences.
text.
New York:
Fact on file,
1978.
Tesis.
Gaya Turabian
Concise encyclopedia of the sciences.
New York:
Fact on file,
1978.
Tesis.