APA Style
Discovering Our World 4A. (2001).
United Kingdom:
Times Media Private.
Chicago Style
Discovering Our World 4A.
.
United Kingdom:
Times Media Private,
2001.
.
MLA Style
Discovering Our World 4A.
.
United Kingdom:
Times Media Private,
2001.
.
Turabian Style
Discovering Our World 4A.
United Kingdom:
Times Media Private,
2001.
.