Gaya APA
Crockett, James Underwood. (1971).
Bulbs .
New York:
Time-Life Books.
Gaya Chicago
Crockett, James Underwood.
Bulbs.
New York:
Time-Life Books,
1971.
Text.
Gaya MLA
Crockett, James Underwood.
Bulbs.
New York:
Time-Life Books,
1971.
Text.
Gaya Turabian
Crockett, James Underwood.
Bulbs.
New York:
Time-Life Books,
1971.
Print.