APA Style
HOANG, P., DUCIE, M. (2018).
Cambridge IGCSE and O Level Economics Second Edition (2nd Edition).
London:
HODDER EDUCATION.
MLA Style
HOANG, Paul., DUCIE, Margaret.
"Cambridge IGCSE and O Level Economics Second Edition".
2nd Edition
London:
HODDER EDUCATION,
2018.
Text.