Schumacher, A. B., Brandelli, A., Macedo, F. C., Pieta, L., Klug, T. V., & de Jong, E. V. (2010). Chemical and sensory evaluation of dark chocolate with addition of quinoa (Chenopodium quinoa Willd.). Springer-Verlag.

Schumacher, Andrea B., Adriano Brandelli, Fernanda C. Macedo, Luiza Pieta, Tâmmila V. Klug, and Erna V. de Jong. Chemical and Sensory Evaluation of Dark Chocolate With Addition of Quinoa (Chenopodium Quinoa Willd.). Springer-Verlag, 2010.

Schumacher, Andrea B., et al. Chemical and Sensory Evaluation of Dark Chocolate With Addition of Quinoa (Chenopodium Quinoa Willd.). Springer-Verlag, 2010.