ÜNAL, H. 2008. Proof without words : the sine of a sum. MATHEMATICAL GAZETTE , vol.92, no.525 .

ÜNAL, H., (2008). Proof without words : the sine of a sum. MATHEMATICAL GAZETTE , vol.92, no.525.

ÜNAL, Hasan. "Proof without words : the sine of a sum," MATHEMATICAL GAZETTE , vol.92, no.525, 2008

ÜNAL, Hasan. "Proof without words : the sine of a sum." MATHEMATICAL GAZETTE , vol.92, no.525, 2008

ÜNAL, H. (2008) . "Proof without words : the sine of a sum." MATHEMATICAL GAZETTE , vol.92, no.525.

@article{article, author={Hasan ÜNAL}, title={Proof without words : the sine of a sum}, journal={MATHEMATICAL GAZETTE}, year=2008}