Reguli de aur

Photograph of the entrance to the Golden Rule Mine in Tuolumne County, California. – NARA – 296582 (Photo credit: Wikipedia)

Reguli de compozitie

http://www.apogeephoto.com/may2014/how-to-use-the-golden-ratio-to-improve-your-photography.shtml

http://www.taringa.net/comunidades/codibujante/6998198/Reglas-fundamentales-de-composicion-pintura-trad-dig.html

https://www.google.ro/search