Torres, M. A. J., Demayo, C. G., & Siar, S. V. (2008). Elliptic fourier analysis of leaf outline differences between and among sixteen species of Hoya. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
Chicago-referens (17:e uppl.)Torres, Mark Anthony J., Cesar G. Demayo, och Simeona V. Siar. "Elliptic Fourier Analysis of Leaf Outline Differences Between and Among Sixteen Species of Hoya." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2008.
MLA-referens (9:e uppl.)Torres, Mark Anthony J., et al. "Elliptic Fourier Analysis of Leaf Outline Differences Between and Among Sixteen Species of Hoya." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2008.
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