APA Style
Soars, L., Soars, L. (2015).
New Headway : Elementary Workbook with key (4th Edition).
New York:
Oxford Universiy Press.
MLA Style
Soars, Liz-p., Soars, Liz.
"New Headway : Elementary Workbook with key".
4th Edition
New York:
Oxford Universiy Press,
2015.
Text.