APA Style
Holt, Helen Devitt. (2004).
Habitats of the world (discovery channel school) .
:
Discovery Communications, Inc.
Chicago Style
Holt, Helen Devitt.
Habitats of the world (discovery channel school).
:
Discovery Communications, Inc,
2004.
CD-ROM.
MLA Style
Holt, Helen Devitt.
Habitats of the world (discovery channel school).
:
Discovery Communications, Inc,
2004.
CD-ROM.
Turabian Style
Holt, Helen Devitt.
Habitats of the world (discovery channel school).
:
Discovery Communications, Inc,
2004.
CD-ROM.