Gaya APA
Forbes, R.J. (1968).
The Counquest of Nature .
New York:
A Mentor Books.
Gaya Chicago
Forbes, R.J.
The Counquest of Nature.
New York:
A Mentor Books,
1968.
Text.
Gaya MLA
Forbes, R.J.
The Counquest of Nature.
New York:
A Mentor Books,
1968.
Text.
Gaya Turabian
Forbes, R.J.
The Counquest of Nature.
New York:
A Mentor Books,
1968.
Print.