Gaya APA
L, I, A, J. (2001).
Environmement 00/01 (Edisi Kesembilan).
United States of America:
The Dushkin Publishing Group, 1988.
Gaya MLA
L, I., Allen,, John.
"Environmement 00/01".
Edisi Kesembilan
United States of America:
The Dushkin Publishing Group, 1988,
2001.
Text.