Schmidgen. The Helmholtz Curves. Fordham University Press.
芝加哥风格引文Schmidgen. The Helmholtz Curves. Fordham University Press.
MLA引文Schmidgen. The Helmholtz Curves. Fordham University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Schmidgen. The Helmholtz Curves. Fordham University Press.
芝加哥风格引文Schmidgen. The Helmholtz Curves. Fordham University Press.
MLA引文Schmidgen. The Helmholtz Curves. Fordham University Press.