Gaya APA
Barraclough, C., Gaynor, S. (2017).
Wider World "Special Edition" Students' Book 3 .
Singapore:
Pearson Education Limited.
Gaya MLA
Barraclough, Carolyn., Gaynor, Suzzane.
"Wider World "Special Edition" Students' Book 3".
Singapore:
Pearson Education Limited,
2017.
Text.