Gaya APA
engel, leonard. (1972).
Life Nature Library The Sea .
New York:
Time Life Books.
Gaya Chicago
engel, leonard.
Life Nature Library The Sea.
New York:
Time Life Books,
1972.
Text.
Gaya MLA
engel, leonard.
Life Nature Library The Sea.
New York:
Time Life Books,
1972.
Text.
Gaya Turabian
engel, leonard.
Life Nature Library The Sea.
New York:
Time Life Books,
1972.
Print.