APA Style
EARL, B., WILFORD, D. (2015).
Cambridge IGCSE Chemistry Teacher's CD (ORG) .
United Kingdom:
HODDER EDUCATION.
MLA Style
EARL, Bryan., WILFORD, Doug.
"Cambridge IGCSE Chemistry Teacher's CD (ORG)".
United Kingdom:
HODDER EDUCATION,
2015.
CD-ROM.