Cita APA (7th ed.)

Viertl, R. (2011). Statistical methods for fuzzy data. Wiley.

Cita Chicago (17th ed.)

Viertl, Reinhard. Statistical Methods for Fuzzy Data. Chichester, West Sussex: Wiley, 2011.

Cita MLA (9th ed.)

Viertl, Reinhard. Statistical Methods for Fuzzy Data. Wiley, 2011.