Varela-Romero, A., Myers, T. L., Sorensen, J., & Abarca, F. (2013). TAXONOMIC STATUS AND PHYLOGENY OF THE SAN BERNARDINO SPRING SNAIL POPULATIONS INTO THE GENUS PYRGULOPSIS IN SONORA AND ARIZONA. Universidad de Sonora.
استشهاد بنمط شيكاغوVarela-Romero, Alejandro, Terry L. Myers, Jeff Sorensen, و Francisco Abarca. TAXONOMIC STATUS AND PHYLOGENY OF THE SAN BERNARDINO SPRING SNAIL POPULATIONS INTO THE GENUS PYRGULOPSIS IN SONORA AND ARIZONA. Universidad de Sonora, 2013.
MLA استشهادVarela-Romero, Alejandro, Terry L. Myers, Jeff Sorensen, و Francisco Abarca. TAXONOMIC STATUS AND PHYLOGENY OF THE SAN BERNARDINO SPRING SNAIL POPULATIONS INTO THE GENUS PYRGULOPSIS IN SONORA AND ARIZONA. Universidad de Sonora, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.
