Cita APA (7th ed.)
Lima, E. L. (2003). Fundamental groups and covering spaces. AK Peters.
Cita Chicago (17th ed.)
Lima, Elon Lages. Fundamental Groups and Covering Spaces. Natick, Mass.: AK Peters, 2003.
Cita MLA (9th ed.)
Lima, Elon Lages. Fundamental Groups and Covering Spaces. AK Peters, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.