Commerce : student's book
MLA
Hobbs, Martyn, and Julia Star Keddle. Commerce : Student's Book. Oxford: Oxford University Press, 2016.
APA
Hobbs, M., & Keddle, J. Star. (2016). Commerce : student's book. Oxford: Oxford University Press.
Chicago
Hobbs, Martyn, and Julia Star Keddle. Commerce: Student's Book. Oxford: Oxford University Press, 2016.