McHugh J., McHugh S. & Nickels W. (2016). Understanding Business. Singapore: McGraw Hill.
McHugh J, McHugh S and Nickels W. 2016. Understanding Business. Singapore: McGraw Hill.
McHugh J., McHugh S. and Nickels W. (2016). Understanding Business. Singapore: McGraw Hill.
McHugh J, McHugh S and Nickels W. Understanding Business. Singapore: McGraw Hill. 2016.