APA-viite (7. p.)
Ziemer,Rodger E. (2015). Sigal & Systems: Continuous and discrete (4th ed.). Pearson India Education.
Chicago-viite (17. p.)
Ziemer,Rodger E. Sigal & Systems: Continuous and Discrete. 4th ed. New Delhi: Pearson India Education, 2015.
MLA-viite (9. p.)
Ziemer,Rodger E. Sigal & Systems: Continuous and Discrete. 4th ed. Pearson India Education, 2015.
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