ÜNAL, H. 2010. Proof without words: Sums of octagonal numbers. Mathematics Magazine , vol.83, no.1 , 58.

ÜNAL, H., (2010). Proof without words: Sums of octagonal numbers. Mathematics Magazine , vol.83, no.1, 58.

ÜNAL, Hasan. "Proof without words: Sums of octagonal numbers," Mathematics Magazine , vol.83, no.1, 58, 2010

ÜNAL, Hasan. "Proof without words: Sums of octagonal numbers." Mathematics Magazine , vol.83, no.1, pp.58, 2010

ÜNAL, H. (2010) . "Proof without words: Sums of octagonal numbers." Mathematics Magazine , vol.83, no.1, p.58.

@article{article, author={Hasan ÜNAL}, title={Proof without words: Sums of octagonal numbers}, journal={Mathematics Magazine}, year=2010, pages={58} }