Gaya APA
Encyclopedia Of Science 7 The Environment/ Macmillan. (1997).
New York:
Macmillan Library Reference.
Gaya Chicago
Encyclopedia Of Science 7 The Environment/ Macmillan.
.
New York:
Macmillan Library Reference,
1997.
Text.
Gaya MLA
Encyclopedia Of Science 7 The Environment/ Macmillan.
.
New York:
Macmillan Library Reference,
1997.
Text.
Gaya Turabian
Encyclopedia Of Science 7 The Environment/ Macmillan.
New York:
Macmillan Library Reference,
1997.
Print.