APA Style
Peter, L., Lydia, K. (2012).
International English: Coursebook 1 (COPY ) (1st edition).
London:
Hodder Education.
MLA Style
Peter, Lucantoni., Lydia, Kellas.
"International English: Coursebook 1 (COPY )".
1st edition
London:
Hodder Education,
2012.
Reference.