APA

Dromey (R.G), . (2009). How to Solve it By Computer. : .

Chicago

Dromey (R.G), . 2009. How to Solve it By Computer. : .

Harvard

Dromey (R.G), . (2009). How to Solve it By Computer. : .

MLA

Dromey (R.G), . How to Solve it By Computer. : . 2009.