Παραπομπή APA

O'Neill, B. (1966). Elementary differential geometry. San Diego: Academic Press: Harcourt Brace Jovanovich.

Παραπομπή Chicago Style

O'Neill, Barrett. Elementary Differential Geometry. San Diego: Academic Press: Harcourt Brace Jovanovich, 1966.

Παραπομπή MLA

O'Neill, Barrett. Elementary Differential Geometry. San Diego: Academic Press: Harcourt Brace Jovanovich, 1966.

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