Nanual, B. J., & Demayo, C. G. (1998). Morphometric variability in selected populations of Strombus urceus Linne. The Mindanao Forum: official journal of the MSU-Iligan Institute of Technology.
Lua i Stíl Chicago (17ú heag.)Nanual, Bernadette J., agus Cesar G. Demayo. "Morphometric Variability in Selected Populations of Strombus Urceus Linne." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology 1998.
Lua MLA (9ú heag.)Nanual, Bernadette J., agus Cesar G. Demayo. "Morphometric Variability in Selected Populations of Strombus Urceus Linne." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology, 1998.
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