Gaya APA
Jain, M, F, M, H, A, V. (2018).
Cambridge IGCSE (R) and O Level Business Studies Revised Coursebook .
United Kingdom:
Cambridge University Press.
Gaya MLA
Jain, Mark, Fisher,, Medi, Houghton, And, Veenu.
"Cambridge IGCSE (R) and O Level Business Studies Revised Coursebook".
United Kingdom:
Cambridge University Press,
2018.
Text.