Lua APA (7ú heag.)

Alling, N. L., & Greenleaf, N. Foundations of the theory of Klein surfaces. Springer.

Lua i Stíl Chicago (17ú heag.)

Alling, Norman L., agus Newcomb Greenleaf. Foundations of the Theory of Klein Surfaces. Berlin [etc.]: Springer.

Lua MLA (8ú heag.)

Alling, Norman L., agus Newcomb Greenleaf. Foundations of the Theory of Klein Surfaces. Springer.

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