APA Style
HOANG, P, A, M, D. (2018).
Cambridge IGCSE and O Level Economics Workbook Second Edition .
London:
HODDER EDUCATION.
MLA Style
HOANG, Paul, And, Margaret, Ducie.
"Cambridge IGCSE and O Level Economics Workbook Second Edition".
London:
HODDER EDUCATION,
2018.
Text.