APA-viite

Zimmermann, H., & Zimmermann, H. (1996). Fuzzy sets and decision analysis. Allied publishers.

Chicago-tyylinen lähdeviittaus

Zimmermann, H.J, ja H.-J Zimmermann. Fuzzy Sets and Decision Analysis. New Delhi: Allied publishers, 1996.

MLA-viite

Zimmermann, H.J, ja H.-J Zimmermann. Fuzzy Sets and Decision Analysis. Allied publishers, 1996.