Gaya APA
Kellert, Stephen R. (1997).
Macmillan encyclopedia of the environment Vol. 6 (vol. 6).
New York:
Simon & Schuster macmillan.
Gaya Chicago
Kellert, Stephen R.
Macmillan encyclopedia of the environment Vol. 6.
vol. 6
New York:
Simon & Schuster macmillan,
1997.
ML.
Gaya MLA
Kellert, Stephen R.
Macmillan encyclopedia of the environment Vol. 6.
vol. 6
New York:
Simon & Schuster macmillan,
1997.
ML.
Gaya Turabian
Kellert, Stephen R.
Macmillan encyclopedia of the environment Vol. 6.
vol. 6
New York:
Simon & Schuster macmillan,
1997.
ML.