APA Style

Dean, A. et al (2018). Cambridge IGCSE Business Studies STUDENT'S BOOK : Also for Cambridge O Level and Cambridge IGCSE (9-1) . : .

MLA Style

Dean, Andrew. et al. "Cambridge IGCSE Business Studies STUDENT'S BOOK : Also for Cambridge O Level and Cambridge IGCSE (9-1)". : , 2018. Text.