Gaya APA
Nature / Science annual. (1970).
New York:
Time-Life Books.
Gaya Chicago
Nature / Science annual.
.
New York:
Time-Life Books,
1970.
Text.
Gaya MLA
Nature / Science annual.
.
New York:
Time-Life Books,
1970.
Text.
Gaya Turabian
Nature / Science annual.
New York:
Time-Life Books,
1970.
Print.