De Las Peñas, M. L. A. N. (1999). An Algorithm to Determine Non-Perfect Colorings that arise from Plane Crystallographic Groups. Archīum Ateneo.
استشهاد بنمط شيكاغوDe Las Peñas, Ma. Louise Antonette N. An Algorithm to Determine Non-Perfect Colorings That Arise From Plane Crystallographic Groups. Archīum Ateneo, 1999.
MLA استشهادDe Las Peñas, Ma. Louise Antonette N. An Algorithm to Determine Non-Perfect Colorings That Arise From Plane Crystallographic Groups. Archīum Ateneo, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.