APA-viite (7. p.)

DUNNING, G. (2001). INTRODUCTION TO PROGRAMMABLE LOGIC CONTROLLERS. THOMSON LEARAING.

Chicago-viite (17. p.)

DUNNING, G. INTRODUCTION TO PROGRAMMABLE LOGIC CONTROLLERS. SINGAPORE: THOMSON LEARAING, 2001.

MLA-viite (9. p.)

DUNNING, G. INTRODUCTION TO PROGRAMMABLE LOGIC CONTROLLERS. THOMSON LEARAING, 2001.