Bunge, M., & Funk, J. (2006). Singular coverings of toposes. Springer.
Cita Chicago (17th ed.)Bunge, Marta, i Jonathon Funk. Singular Coverings of Toposes. Berlin, Heidelberg: Springer, 2006.
Cita MLA (8th ed.)Bunge, Marta, i Jonathon Funk. Singular Coverings of Toposes. Springer, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.