APA Style
Beattie, C., Lorenz, J. (2003).
Let's Look At: Numbers .
London, UK:
Hermes House (Anness Publishing Ltd.).
MLA Style
Beattie, Caroline., Lorenz, Joanna.
"Let's Look At: Numbers".
London, UK:
Hermes House (Anness Publishing Ltd.),
2003.
Printed Book.